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427431604 = 22106857901
BaseRepresentation
bin11001011110100…
…001011010110100
31002210021202221011
4121132201122310
51333410302404
6110225202004
713410052165
oct3136413264
91083252834
10427431604
111aa301766
12bb190304
136a727512
1440aa576c
15277d1604
hex197a16b4

427431604 has 6 divisors (see below), whose sum is σ = 748005314. Its totient is φ = 213715800.

The previous prime is 427431593. The next prime is 427431607. The reversal of 427431604 is 406134724.

It can be written as a sum of positive squares in only one way, i.e., 245235600 + 182196004 = 15660^2 + 13498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427431607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53428947 + ... + 53428954.

Almost surely, 2427431604 is an apocalyptic number.

It is an amenable number.

427431604 is a deficient number, since it is larger than the sum of its proper divisors (320573710).

427431604 is a wasteful number, since it uses less digits than its factorization.

427431604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106857905 (or 106857903 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 427431604 is about 20674.4190728543. The cubic root of 427431604 is about 753.2784505052.

The spelling of 427431604 in words is "four hundred twenty-seven million, four hundred thirty-one thousand, six hundred four".

Divisors: 1 2 4 106857901 213715802 427431604