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1052638312 = 231133613559
BaseRepresentation
bin111110101111011…
…111110001101000
32201100201120022011
4332233133301220
54123433411222
6252241405304
735041164235
oct7657376150
92640646264
101052638312
114a0206820
12254639834
1313a10a40b
149db3078c
156262cc77
hex3ebdfc68

1052638312 has 32 divisors (see below), whose sum is σ = 2154369600. Its totient is φ = 478195200.

The previous prime is 1052638303. The next prime is 1052638373. The reversal of 1052638312 is 2138362501.

It is a super-2 number, since 2×10526383122 = 2216094831780418688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293989 + ... + 297547.

It is an arithmetic number, because the mean of its divisors is an integer number (67324050).

Almost surely, 21052638312 is an apocalyptic number.

It is an amenable number.

1052638312 is an abundant number, since it is smaller than the sum of its proper divisors (1101731288).

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

1052638312 is a wasteful number, since it uses less digits than its factorization.

1052638312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937 (or 6933 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1052638312 is about 32444.3879892964. The cubic root of 1052638312 is about 1017.2469370880.

The spelling of 1052638312 in words is "one billion, fifty-two million, six hundred thirty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 3361 3559 6722 7118 13444 14236 26888 28472 36971 39149 73942 78298 147884 156596 295768 313192 11961799 23923598 47847196 95694392 131579789 263159578 526319156 1052638312