Search a number
-
+
107255421 = 3471314551
BaseRepresentation
bin1100110010010…
…01011001111101
321110211010210000
412121021121331
5204424133141
614350504513
72441441010
oct631113175
9243733700
10107255421
11555a7649
122bb05139
13192b4060
141035d377
1596395b6
hex664967d

107255421 has 40 divisors (see below), whose sum is σ = 197208704. Its totient is φ = 56570400.

The previous prime is 107255389. The next prime is 107255453. The reversal of 107255421 is 124552701.

107255421 is a `hidden beast` number, since 107 + 2 + 554 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (107255389) and next prime (107255453).

It is not a de Polignac number, because 107255421 - 25 = 107255389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107255461) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96 + ... + 14646.

Almost surely, 2107255421 is an apocalyptic number.

It is an amenable number.

107255421 is a deficient number, since it is larger than the sum of its proper divisors (89953283).

107255421 is a wasteful number, since it uses less digits than its factorization.

107255421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583 (or 14574 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 107255421 is about 10356.4193136431. The cubic root of 107255421 is about 475.1233969343.

The spelling of 107255421 in words is "one hundred seven million, two hundred fifty-five thousand, four hundred twenty-one".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 117 189 273 351 567 819 1053 2457 7371 14551 43653 101857 130959 189163 305571 392877 567489 916713 1178631 1324141 1702467 2750139 3972423 5107401 8250417 11917269 15322203 35751807 107255421