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152204970 = 23513138729
BaseRepresentation
bin10010001001001…
…11011010101010
3101121101210222010
421010213122222
5302431024340
623034140350
73525502161
oct1104473252
9347353863
10152204970
1178a08935
1242b816b6
13256c1718
14163003d8
15d567b80
hex91276aa

152204970 has 32 divisors (see below), whose sum is σ = 368089920. Its totient is φ = 40277120.

The previous prime is 152204959. The next prime is 152204977. The reversal of 152204970 is 79402251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (152204977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15435 + ... + 23294.

It is an arithmetic number, because the mean of its divisors is an integer number (11502810).

Almost surely, 2152204970 is an apocalyptic number.

152204970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152204970 is an abundant number, since it is smaller than the sum of its proper divisors (215884950).

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

152204970 is a wasteful number, since it uses less digits than its factorization.

152204970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38870.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 152204970 is about 12337.1378366297. The cubic root of 152204970 is about 533.9201089645.

The spelling of 152204970 in words is "one hundred fifty-two million, two hundred four thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 38729 77458 116187 193645 232374 387290 580935 1161870 5073499 10146998 15220497 25367495 30440994 50734990 76102485 152204970