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252052252 = 221928311719
BaseRepresentation
bin11110000011000…
…00001100011100
3122120021120200121
433001200030130
51004011133002
641002204324
76150260134
oct1701401434
9576246617
10252052252
1111a305651
12704b36a4
13402b085a
1425691ac4
15171dc237
hexf06031c

252052252 has 24 divisors (see below), whose sum is σ = 465987200. Its totient is φ = 118961136.

The previous prime is 252052249. The next prime is 252052277. The reversal of 252052252 is 252250252.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15649 + ... + 27367.

Almost surely, 2252052252 is an apocalyptic number.

It is an amenable number.

252052252 is a deficient number, since it is larger than the sum of its proper divisors (213934948).

252052252 is a wasteful number, since it uses less digits than its factorization.

252052252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12025 (or 12023 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 252052252 is about 15876.1535643871. The cubic root of 252052252 is about 631.6796131536.

The spelling of 252052252 in words is "two hundred fifty-two million, fifty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 283 566 1132 5377 10754 11719 21508 23438 46876 222661 445322 890644 3316477 6632954 13265908 63013063 126026126 252052252