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152145532 = 22711493979
BaseRepresentation
bin10010001000110…
…00111001111100
3101121021210102201
421010120321330
5302422124112
623033001244
73525133660
oct1104307174
9347253381
10152145532
1178978210
1242b53224
13256a0656
14162c68a0
15d555257
hex9118e7c

152145532 has 24 divisors (see below), whose sum is σ = 331954560. Its totient is φ = 59277360.

The previous prime is 152145527. The next prime is 152145569. The reversal of 152145532 is 235541251.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 152145532.

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 7 ways as a sum of consecutive naturals, for example, 246682 + ... + 247297.

It is an arithmetic number, because the mean of its divisors is an integer number (13831440).

Almost surely, 2152145532 is an apocalyptic number.

It is an amenable number.

152145532 is an abundant number, since it is smaller than the sum of its proper divisors (179809028).

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

152145532 is a wasteful number, since it uses less digits than its factorization.

152145532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494001 (or 493999 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 152145532 is about 12334.7286958409. The cubic root of 152145532 is about 533.8505990238.

Adding to 152145532 its reverse (235541251), we get a palindrome (387686783).

The spelling of 152145532 in words is "one hundred fifty-two million, one hundred forty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 493979 987958 1975916 3457853 5433769 6915706 10867538 13831412 21735076 38036383 76072766 152145532