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152520250 = 253610081
BaseRepresentation
bin10010001011101…
…00011000111010
3101121222211110011
421011310120322
5303021122000
623045012134
73531254311
oct1105643072
9347884404
10152520250
11791037a3
12430b404a
13257a208c
1416383278
15d5cb2ba
hex917463a

152520250 has 16 divisors (see below), whose sum is σ = 285518376. Its totient is φ = 61008000.

The previous prime is 152520233. The next prime is 152520289. The reversal of 152520250 is 52025251.

It can be written as a sum of positive squares in 4 ways, for example, as 95472441 + 57047809 = 9771^2 + 7553^2 .

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, 304791 + ... + 305290.

Almost surely, 2152520250 is an apocalyptic number.

152520250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152520250 is a deficient number, since it is larger than the sum of its proper divisors (132998126).

152520250 is an equidigital number, since it uses as much as digits as its factorization.

152520250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610098 (or 610088 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 152520250 is about 12349.9089065466. The cubic root of 152520250 is about 534.2885118169.

The spelling of 152520250 in words is "one hundred fifty-two million, five hundred twenty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 610081 1220162 3050405 6100810 15252025 30504050 76260125 152520250