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472675860 = 223252625977
BaseRepresentation
bin11100001011000…
…111011000010100
31012221102102101100
4130023013120110
51432001111420
6114523030100
714466451506
oct3413073024
91187372340
10472675860
112228a4408
1211236b330
1376c09077
1446ac1d76
152b76c190
hex1c2c7614

472675860 has 36 divisors (see below), whose sum is σ = 1433783988. Its totient is φ = 126046848.

The previous prime is 472675807. The next prime is 472675867. The reversal of 472675860 is 68576274.

472675860 is a `hidden beast` number, since 4 + 7 + 2 + 67 + 586 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 247495824 + 225180036 = 15732^2 + 15006^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472675867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312809 + ... + 1313168.

It is an arithmetic number, because the mean of its divisors is an integer number (39827333).

Almost surely, 2472675860 is an apocalyptic number.

It is an amenable number.

472675860 is an abundant number, since it is smaller than the sum of its proper divisors (961108128).

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

472675860 is a wasteful number, since it uses less digits than its factorization.

472675860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625992 (or 2625987 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 472675860 is about 21741.1099072701. The cubic root of 472675860 is about 778.9707331345.

The spelling of 472675860 in words is "four hundred seventy-two million, six hundred seventy-five thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2625977 5251954 7877931 10503908 13129885 15755862 23633793 26259770 31511724 39389655 47267586 52519540 78779310 94535172 118168965 157558620 236337930 472675860