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107127421 = 1729259127
BaseRepresentation
bin1100110001010…
…10001001111101
321110120122012021
412120222021331
5204411034141
614344040141
72440365562
oct630521175
9243518167
10107127421
115551a465
122ba63051
131926aa0b
1410328869
1596116d1
hex662a27d

107127421 has 24 divisors (see below), whose sum is σ = 120407040. Its totient is φ = 94945536.

The previous prime is 107127401. The next prime is 107127451. The reversal of 107127421 is 124721701.

It is not a de Polignac number, because 107127421 - 25 = 107127389 is a prime.

It is a super-2 number, since 2×1071274212 = 22952568660222482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107127401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843460 + ... + 843586.

It is an arithmetic number, because the mean of its divisors is an integer number (5016960).

Almost surely, 2107127421 is an apocalyptic number.

It is an amenable number.

107127421 is a deficient number, since it is larger than the sum of its proper divisors (13279619).

107127421 is a wasteful number, since it uses less digits than its factorization.

107127421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 107127421 is about 10350.2377267385. The cubic root of 107127421 is about 474.9343155711.

The spelling of 107127421 in words is "one hundred seven million, one hundred twenty-seven thousand, four hundred twenty-one".

Divisors: 1 17 29 59 127 493 841 1003 1711 2159 3683 7493 14297 29087 49619 62611 106807 127381 217297 843523 1815719 3694049 6301613 107127421