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252025508 = 22725735023
BaseRepresentation
bin11110000010110…
…01101010100100
3122120020020000002
433001121222210
51004004304013
641001440432
76150116150
oct1701315244
9576206002
10252025508
1111a297549
12704a0118
13402a1627
1425686060
15171d4358
hexf059aa4

252025508 has 24 divisors (see below), whose sum is σ = 506026752. Its totient is φ = 107587584.

The previous prime is 252025489. The next prime is 252025511. The reversal of 252025508 is 805520252.

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, 10316 + ... + 24707.

It is an arithmetic number, because the mean of its divisors is an integer number (21084448).

Almost surely, 2252025508 is an apocalyptic number.

252025508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252025508 is an abundant number, since it is smaller than the sum of its proper divisors (254001244).

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

252025508 is a wasteful number, since it uses less digits than its factorization.

252025508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35291 (or 35289 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 252025508 is about 15875.3112725389. The cubic root of 252025508 is about 631.6572709118.

The spelling of 252025508 in words is "two hundred fifty-two million, twenty-five thousand, five hundred eight".

Divisors: 1 2 4 7 14 28 257 514 1028 1799 3598 7196 35023 70046 140092 245161 490322 980644 9000911 18001822 36003644 63006377 126012754 252025508