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127897056 = 2534721953
BaseRepresentation
bin1111001111110…
…00110111100000
322220122211210000
413213320313200
5230220201211
620405140000
73112051500
oct747706740
9286584700
10127897056
1166215a51
12369ba600
1320660541
1412db3a00
15b365656
hex79f8de0

127897056 has 360 divisors, whose sum is σ = 469271880. Its totient is φ = 33965568.

The previous prime is 127897051. The next prime is 127897061. The reversal of 127897056 is 650798721.

It is an interprime number because it is at equal distance from previous prime (127897051) and next prime (127897061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127897051) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2413126 + ... + 2413178.

It is an arithmetic number, because the mean of its divisors is an integer number (1303533).

Almost surely, 2127897056 is an apocalyptic number.

127897056 is a gapful number since it is divisible by the number (16) 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 127897056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234635940).

127897056 is an abundant number, since it is smaller than the sum of its proper divisors (341374824).

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

127897056 is a wasteful number, since it uses less digits than its factorization.

127897056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 127897056 is about 11309.1580588477. The cubic root of 127897056 is about 503.8332781883.

The spelling of 127897056 in words is "one hundred twenty-seven million, eight hundred ninety-seven thousand, fifty-six".