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3147494056 = 23756998779
BaseRepresentation
bin1011101110011010…
…1111001010101000
322010100120021010221
42323212233022220
522421224302211
61240153415424
7140666154340
oct27346571250
98110507127
103147494056
111375750963
1273a10a574
133b2116925
1421c03bd20
151364cac71
hexbb9af2a8

3147494056 has 32 divisors (see below), whose sum is σ = 6756552000. Its totient is φ = 1346541696.

The previous prime is 3147494017. The next prime is 3147494057. The reversal of 3147494056 is 6504947413.

It is a super-2 number, since 2×31474940562 = 19813437665110662272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3147494057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17526 + ... + 81253.

It is an arithmetic number, because the mean of its divisors is an integer number (211142250).

Almost surely, 23147494056 is an apocalyptic number.

It is an amenable number.

3147494056 is an abundant number, since it is smaller than the sum of its proper divisors (3609057944).

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

3147494056 is a wasteful number, since it uses less digits than its factorization.

3147494056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99361 (or 99357 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 3147494056 is about 56102.5316362818. The cubic root of 3147494056 is about 1465.5083802147.

The spelling of 3147494056 in words is "three billion, one hundred forty-seven million, four hundred ninety-four thousand, fifty-six".

Divisors: 1 2 4 7 8 14 28 56 569 1138 2276 3983 4552 7966 15932 31864 98779 197558 395116 691453 790232 1382906 2765812 5531624 56205251 112410502 224821004 393436757 449642008 786873514 1573747028 3147494056