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152100252 = 22324225007
BaseRepresentation
bin10010001000011…
…01110110011100
3101121012111022200
421010031312130
5302414202002
623032011500
73524554653
oct1104156634
9347174280
10152100252
1178947197
1242b30b90
1325685b65
14162b419a
15d546b1c
hex910dd9c

152100252 has 18 divisors (see below), whose sum is σ = 384475728. Its totient is φ = 50700072.

The previous prime is 152100217. The next prime is 152100269. The reversal of 152100252 is 252001251.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2112468 + ... + 2112539.

Almost surely, 2152100252 is an apocalyptic number.

152100252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

152100252 is an abundant number, since it is smaller than the sum of its proper divisors (232375476).

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

152100252 is a wasteful number, since it uses less digits than its factorization.

152100252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225017 (or 4225012 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 152100252 is about 12332.8930912418. The cubic root of 152100252 is about 533.7976340473.

Subtracting 152100252 from its reverse (252001251), we obtain a palindrome (99900999).

The spelling of 152100252 in words is "one hundred fifty-two million, one hundred thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 4225007 8450014 12675021 16900028 25350042 38025063 50700084 76050126 152100252