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472741985 = 51492412633
BaseRepresentation
bin11100001011010…
…111100001100001
31012221112210002102
4130023113201201
51432010220420
6114524300145
714500145342
oct3413274141
91187483072
10472741985
1122293a061
121123a1655
1376c301b1
1446adc0c9
152b781a75
hex1c2d7861

472741985 has 16 divisors (see below), whose sum is σ = 573685200. Its totient is φ = 373954560.

The previous prime is 472741949. The next prime is 472741993. The reversal of 472741985 is 589147274.

It can be written as a sum of positive squares in 8 ways, for example, as 52983841 + 419758144 = 7279^2 + 20488^2 .

It is not a de Polignac number, because 472741985 - 26 = 472741921 is a prime.

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, 178229 + ... + 180861.

It is an arithmetic number, because the mean of its divisors is an integer number (35855325).

Almost surely, 2472741985 is an apocalyptic number.

It is an amenable number.

472741985 is a deficient number, since it is larger than the sum of its proper divisors (100943215).

472741985 is a wasteful number, since it uses less digits than its factorization.

472741985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its digits is 564480, while the sum is 47.

The square root of 472741985 is about 21742.6305906162. The cubic root of 472741985 is about 779.0070561502.

The spelling of 472741985 in words is "four hundred seventy-two million, seven hundred forty-one thousand, nine hundred eighty-five".

Divisors: 1 5 149 241 745 1205 2633 13165 35909 179545 392317 634553 1961585 3172765 94548397 472741985