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42908790 = 2351430293
BaseRepresentation
bin1010001110101…
…1110001110110
32222201222210110
42203223301312
541441040130
64131403450
71030501341
oct243536166
988658713
1042908790
1122248011
1212453586
138b74822
1459ad458
153b78ab0
hex28ebc76

42908790 has 16 divisors (see below), whose sum is σ = 102981168. Its totient is φ = 11442336.

The previous prime is 42908773. The next prime is 42908807. The reversal of 42908790 is 9780924.

It is an interprime number because it is at equal distance from previous prime (42908773) and next prime (42908807).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715117 + ... + 715176.

It is an arithmetic number, because the mean of its divisors is an integer number (6436323).

Almost surely, 242908790 is an apocalyptic number.

42908790 is an abundant number, since it is smaller than the sum of its proper divisors (60072378).

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

42908790 is a wasteful number, since it uses less digits than its factorization.

42908790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430303.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 42908790 is about 6550.4801350741. The cubic root of 42908790 is about 350.0919214345.

The spelling of 42908790 in words is "forty-two million, nine hundred eight thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1430293 2860586 4290879 7151465 8581758 14302930 21454395 42908790