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42979832 = 2373891973
BaseRepresentation
bin1010001111110…
…1000111111000
32222212121020122
42203331013320
542000323312
64133112412
71031215430
oct243750770
988777218
1042979832
1122296425
1212488708
138b9ac6c
1459cb2c0
153b8eb72
hex28fd1f8

42979832 has 32 divisors (see below), whose sum is σ = 92383200. Its totient is φ = 18363264.

The previous prime is 42979831. The next prime is 42979837. The reversal of 42979832 is 23897924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42979831) 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, 20798 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (2886975).

Almost surely, 242979832 is an apocalyptic number.

It is an amenable number.

42979832 is an abundant number, since it is smaller than the sum of its proper divisors (49403368).

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

42979832 is a wasteful number, since it uses less digits than its factorization.

42979832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2371 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 42979832 is about 6555.9005483610. The cubic root of 42979832 is about 350.2850249678.

The spelling of 42979832 in words is "forty-two million, nine hundred seventy-nine thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 389 778 1556 1973 2723 3112 3946 5446 7892 10892 13811 15784 21784 27622 55244 110488 767497 1534994 3069988 5372479 6139976 10744958 21489916 42979832