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313030400 = 285259829
BaseRepresentation
bin10010101010000…
…111011100000000
3210211000120222112
4102222013130000
51120113433100
651021154452
710520500034
oct2252073400
9724016875
10313030400
11150774411
12889bba28
134cb10ab7
142d8061c4
151c734b35
hex12a87700

313030400 has 108 divisors (see below), whose sum is σ = 788881800. Its totient is φ = 122941440.

The previous prime is 313030381. The next prime is 313030441. The reversal of 313030400 is 4030313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377186 + ... + 378014.

Almost surely, 2313030400 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 313030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394440900).

313030400 is an abundant number, since it is smaller than the sum of its proper divisors (475851400).

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

313030400 is an equidigital number, since it uses as much as digits as its factorization.

313030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 313030400 is about 17692.6651468907. The cubic root of 313030400 is about 678.9881143703.

Adding to 313030400 its reverse (4030313), we get a palindrome (317060713).

The spelling of 313030400 in words is "three hundred thirteen million, thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 59 64 80 100 118 128 160 200 236 256 295 320 400 472 590 640 800 829 944 1180 1280 1475 1600 1658 1888 2360 2950 3200 3316 3776 4145 4720 5900 6400 6632 7552 8290 9440 11800 13264 15104 16580 18880 20725 23600 26528 33160 37760 41450 47200 48911 53056 66320 75520 82900 94400 97822 106112 132640 165800 188800 195644 212224 244555 265280 331600 377600 391288 489110 530560 663200 782576 978220 1061120 1222775 1326400 1565152 1956440 2445550 2652800 3130304 3912880 4891100 5305600 6260608 7825760 9782200 12521216 15651520 19564400 31303040 39128800 62606080 78257600 156515200 313030400