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152130402 = 23211097621
BaseRepresentation
bin10010001000101…
…01001101100010
3101121021000200100
421010111031202
5302421133102
623032403230
73525041604
oct1104251542
9347230610
10152130402
1178967906
1242b46516
13256967b8
14162c1174
15d550a1c
hex9115362

152130402 has 24 divisors (see below), whose sum is σ = 329956380. Its totient is φ = 50657760.

The previous prime is 152130373. The next prime is 152130403. The reversal of 152130402 is 204031251.

It can be written as a sum of positive squares in 2 ways, for example, as 150332121 + 1798281 = 12261^2 + 1341^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (152130403) 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 11 ways as a sum of consecutive naturals, for example, 16152 + ... + 23772.

Almost surely, 2152130402 is an apocalyptic number.

152130402 is an abundant number, since it is smaller than the sum of its proper divisors (177825978).

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

152130402 is a wasteful number, since it uses less digits than its factorization.

152130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738 (or 8735 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 152130402 is about 12334.1153716025. The cubic root of 152130402 is about 533.8329023110.

Adding to 152130402 its reverse (204031251), we get a palindrome (356161653).

The spelling of 152130402 in words is "one hundred fifty-two million, one hundred thirty thousand, four hundred two".

Divisors: 1 2 3 6 9 18 1109 2218 3327 6654 7621 9981 15242 19962 22863 45726 68589 137178 8451689 16903378 25355067 50710134 76065201 152130402