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152530400 = 25521117333
BaseRepresentation
bin10010001011101…
…10110111100000
3101122000100101002
421011312313200
5303021433100
623045131132
73531326021
oct1105666740
9348010332
10152530400
1179110390
12430b9aa8
13257a6899
1416386c48
15d5ce2d5
hex9176de0

152530400 has 72 divisors (see below), whose sum is σ = 406239624. Its totient is φ = 55462400.

The previous prime is 152530397. The next prime is 152530481. The reversal of 152530400 is 4035251.

152530400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (5642217).

Almost surely, 2152530400 is an apocalyptic number.

152530400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152530400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203119812).

152530400 is an abundant number, since it is smaller than the sum of its proper divisors (253709224).

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

152530400 is a wasteful number, since it uses less digits than its factorization.

152530400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17364 (or 17351 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 152530400 is about 12350.3198339152. The cubic root of 152530400 is about 534.3003635942.

Adding to 152530400 its reverse (4035251), we get a palindrome (156565651).

The spelling of 152530400 in words is "one hundred fifty-two million, five hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 4400 8800 17333 34666 69332 86665 138664 173330 190663 277328 346660 381326 433325 554656 693320 762652 866650 953315 1386640 1525304 1733300 1906630 2773280 3050608 3466600 3813260 4766575 6101216 6933200 7626520 9533150 13866400 15253040 19066300 30506080 38132600 76265200 152530400