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470420631 = 32479109121
BaseRepresentation
bin11100000010100…
…000110010010111
31012210011211210100
4130002200302113
51430411430011
6114402425143
714441336502
oct3402406227
91183154710
10470420631
112215a3a8a
121116621b3
13765c9705
1446696139
152b473d56
hex1c0a0c97

470420631 has 12 divisors (see below), whose sum is σ = 680921280. Its totient is φ = 312956160.

The previous prime is 470420623. The next prime is 470420641. The reversal of 470420631 is 136024074.

470420631 is a `hidden beast` number, since 4 + 7 + 0 + 4 + 20 + 631 = 666.

It is not a de Polignac number, because 470420631 - 23 = 470420623 is a prime.

It is a super-2 number, since 2×4704206312 = 442591140140876322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 470420595 and 470420604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470420611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50250 + ... + 58871.

It is an arithmetic number, because the mean of its divisors is an integer number (56743440).

Almost surely, 2470420631 is an apocalyptic number.

470420631 is a deficient number, since it is larger than the sum of its proper divisors (210500649).

470420631 is a wasteful number, since it uses less digits than its factorization.

470420631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109606 (or 109603 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 470420631 is about 21689.1823497337. The cubic root of 470420631 is about 777.7298836714.

The spelling of 470420631 in words is "four hundred seventy million, four hundred twenty thousand, six hundred thirty-one".

Divisors: 1 3 9 479 1437 4311 109121 327363 982089 52268959 156806877 470420631