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42470524 = 2237733931
BaseRepresentation
bin1010001000000…
…0110001111100
32221220201121101
42202000301330
541333024044
64114142444
71023664525
oct242006174
987821541
1042470524
1121a78808
1212281a24
138a501b5
1458d784c
153addcd4
hex2880c7c

42470524 has 24 divisors (see below), whose sum is σ = 77397488. Its totient is φ = 20373120.

The previous prime is 42470521. The next prime is 42470551. The reversal of 42470524 is 42507424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42470492 and 42470501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42470521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8839 + ... + 12769.

Almost surely, 242470524 is an apocalyptic number.

It is an amenable number.

42470524 is a deficient number, since it is larger than the sum of its proper divisors (34926964).

42470524 is a wasteful number, since it uses less digits than its factorization.

42470524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 42470524 is about 6516.9413070857. The cubic root of 42470524 is about 348.8959057705.

Adding to 42470524 its reverse (42507424), we get a palindrome (84977948).

The spelling of 42470524 in words is "forty-two million, four hundred seventy thousand, five hundred twenty-four".

Divisors: 1 2 4 37 73 74 146 148 292 2701 3931 5402 7862 10804 15724 145447 286963 290894 573926 581788 1147852 10617631 21235262 42470524