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152228752 = 2413731869
BaseRepresentation
bin10010001001011…
…01001110010000
3101121110000120221
421010231032100
5302432310002
623034442424
73525631414
oct1104551620
9347400527
10152228752
1178a24795
1242b93414
13256cc4b0
1416308d44
15d56ec37
hex912d390

152228752 has 20 divisors (see below), whose sum is σ = 317631580. Its totient is φ = 70259328.

The previous prime is 152228749. The next prime is 152228753. The reversal of 152228752 is 257822251.

It can be written as a sum of positive squares in 2 ways, for example, as 10523536 + 141705216 = 3244^2 + 11904^2 .

It is not an unprimeable number, because it can be changed into a prime (152228753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 365727 + ... + 366142.

It is an arithmetic number, because the mean of its divisors is an integer number (15881579).

Almost surely, 2152228752 is an apocalyptic number.

It is an amenable number.

152228752 is an abundant number, since it is smaller than the sum of its proper divisors (165402828).

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

152228752 is a wasteful number, since it uses less digits than its factorization.

152228752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731890 (or 731884 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 152228752 is about 12338.1016367997. The cubic root of 152228752 is about 533.9479158242.

The spelling of 152228752 in words is "one hundred fifty-two million, two hundred twenty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 731869 1463738 2927476 5854952 9514297 11709904 19028594 38057188 76114376 152228752