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42572452 = 2213271887
BaseRepresentation
bin1010001001100…
…1101010100100
32222002220102111
42202121222210
541344304302
64120250404
71024600636
oct242315244
988086374
1042572452
112203834a
1212310a04
138a87700
145922a56
153b0e0d7
hex2899aa4

42572452 has 36 divisors (see below), whose sum is σ = 81902016. Its totient is φ = 19350240.

The previous prime is 42572447. The next prime is 42572461. The reversal of 42572452 is 25427524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47553 + ... + 48439.

It is an arithmetic number, because the mean of its divisors is an integer number (2275056).

Almost surely, 242572452 is an apocalyptic number.

It is an amenable number.

42572452 is a deficient number, since it is larger than the sum of its proper divisors (39329564).

42572452 is a wasteful number, since it uses less digits than its factorization.

42572452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 973 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 42572452 is about 6524.7568537073. The cubic root of 42572452 is about 349.1747960607.

Adding to 42572452 its reverse (25427524), we get a palindrome (67999976).

The spelling of 42572452 in words is "forty-two million, five hundred seventy-two thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 52 71 142 169 284 338 676 887 923 1774 1846 3548 3692 11531 11999 23062 23998 46124 47996 62977 125954 149903 251908 299806 599612 818701 1637402 3274804 10643113 21286226 42572452