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301530400 = 25522941317
BaseRepresentation
bin10001111110001…
…111110100100000
3210000101022221121
4101332033310200
51104142433100
645530502024
710320652243
oct2176176440
9700338847
10301530400
1114522a286
1284b94914
134a615572
142c09125a
151b71251a
hex11f8fd20

301530400 has 144 divisors (see below), whose sum is σ = 782528040. Its totient is φ = 113254400.

The previous prime is 301530389. The next prime is 301530401. The reversal of 301530400 is 4035103.

301530400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 25040016 + 276490384 = 5004^2 + 16628^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301530401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 951042 + ... + 951358.

Almost surely, 2301530400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 301530400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391264020).

301530400 is an abundant number, since it is smaller than the sum of its proper divisors (480997640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301530400 is a wasteful number, since it uses less digits than its factorization.

301530400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 301530400 is about 17364.6307187916. The cubic root of 301530400 is about 670.5693534174.

Adding to 301530400 its reverse (4035103), we get a palindrome (305565503).

The spelling of 301530400 in words is "three hundred one million, five hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 41 50 58 80 82 100 116 145 160 164 200 205 232 290 317 328 400 410 464 580 634 656 725 800 820 928 1025 1160 1189 1268 1312 1450 1585 1640 2050 2320 2378 2536 2900 3170 3280 4100 4640 4756 5072 5800 5945 6340 6560 7925 8200 9193 9512 10144 11600 11890 12680 12997 15850 16400 18386 19024 23200 23780 25360 25994 29725 31700 32800 36772 38048 45965 47560 50720 51988 59450 63400 64985 73544 91930 95120 103976 118900 126800 129970 147088 183860 190240 207952 229825 237800 253600 259940 294176 324925 367720 376913 415904 459650 475600 519880 649850 735440 753826 919300 951200 1039760 1299700 1470880 1507652 1838600 1884565 2079520 2599400 3015304 3677200 3769130 5198800 6030608 7354400 7538260 9422825 10397600 12061216 15076520 18845650 30153040 37691300 60306080 75382600 150765200 301530400