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42974022 = 2371378707
BaseRepresentation
bin1010001111101…
…1101101000110
32222212022021110
42203323231012
542000132042
64133025450
71031162460
oct243735506
988768243
1042974022
1122292023
1212485286
138b98420
1459c9130
153b8d09c
hex28fbb46

42974022 has 32 divisors (see below), whose sum is σ = 105783552. Its totient is φ = 11333664.

The previous prime is 42974021. The next prime is 42974033. The reversal of 42974022 is 22047924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42974021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38808 + ... + 39899.

It is an arithmetic number, because the mean of its divisors is an integer number (3305736).

Almost surely, 242974022 is an apocalyptic number.

42974022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42974022 is an abundant number, since it is smaller than the sum of its proper divisors (62809530).

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

42974022 is a wasteful number, since it uses less digits than its factorization.

42974022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78732.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42974022 is about 6555.4574211111. The cubic root of 42974022 is about 350.2692404505.

The spelling of 42974022 in words is "forty-two million, nine hundred seventy-four thousand, twenty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 78707 157414 236121 472242 550949 1023191 1101898 1652847 2046382 3069573 3305694 6139146 7162337 14324674 21487011 42974022