Search a number
-
+
427172630 = 25196136857
BaseRepresentation
bin11001011101100…
…010001100010110
31002202210121200112
4121131202030112
51333324011010
6110215443022
713404623153
oct3135421426
91082717615
10427172630
111aa145135
12bb086472
136a666691
1440a3922a
152777ea05
hex19762316

427172630 has 32 divisors (see below), whose sum is σ = 822670560. Its totient is φ = 159217920.

The previous prime is 427172623. The next prime is 427172663. The reversal of 427172630 is 36271724.

It is a super-2 number, since 2×4271726302 = 364952911642233800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6839 + ... + 30018.

It is an arithmetic number, because the mean of its divisors is an integer number (25708455).

Almost surely, 2427172630 is an apocalyptic number.

427172630 is a deficient number, since it is larger than the sum of its proper divisors (395497930).

427172630 is a wasteful number, since it uses less digits than its factorization.

427172630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36944.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 427172630 is about 20668.1549732916. The cubic root of 427172630 is about 753.1262866320.

The spelling of 427172630 in words is "four hundred twenty-seven million, one hundred seventy-two thousand, six hundred thirty".

Divisors: 1 2 5 10 19 38 61 95 122 190 305 610 1159 2318 5795 11590 36857 73714 184285 368570 700283 1400566 2248277 3501415 4496554 7002830 11241385 22482770 42717263 85434526 213586315 427172630