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3897313056 = 253471323141
BaseRepresentation
bin1110100001001100…
…0100011100100000
3101001121111000110000
43220103010130200
530440203004211
61442420540000
7165402420510
oct35023043440
911047430400
103897313056
11171aa27a8a
12909251600
134a1579c00
1428d863840
1517c23e656
hexe84c4720

3897313056 has 720 divisors, whose sum is σ = 14999136768. Its totient is φ = 970444800.

The previous prime is 3897313051. The next prime is 3897313061. The reversal of 3897313056 is 6503137983.

It is an interprime number because it is at equal distance from previous prime (3897313051) and next prime (3897313061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897313051) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 95056396 + ... + 95056436.

Almost surely, 23897313056 is an apocalyptic number.

3897313056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3897313056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7499568384).

3897313056 is an abundant number, since it is smaller than the sum of its proper divisors (11101823712).

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

3897313056 is a wasteful number, since it uses less digits than its factorization.

3897313056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 3897313056 is about 62428.4635082428. The cubic root of 3897313056 is about 1573.6993452463.

The spelling of 3897313056 in words is "three billion, eight hundred ninety-seven million, three hundred thirteen thousand, fifty-six".