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42902958 = 2372321931
BaseRepresentation
bin1010001110101…
…0010110101110
32222201200210110
42203222112232
541440343313
64131320450
71030445340
oct243522656
988650713
1042902958
112224369a
1212450126
138b71c87
1459ab290
153b76ec3
hex28ea5ae

42902958 has 48 divisors (see below), whose sum is σ = 102566016. Its totient is φ = 11718960.

The previous prime is 42902941. The next prime is 42902999. The reversal of 42902958 is 85920924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21253 + ... + 23183.

It is an arithmetic number, because the mean of its divisors is an integer number (2136792).

Almost surely, 242902958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42902958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51283008).

42902958 is an abundant number, since it is smaller than the sum of its proper divisors (59663058).

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

42902958 is a wasteful number, since it uses less digits than its factorization.

42902958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 42902958 is about 6550.0349617388. The cubic root of 42902958 is about 350.0760596605.

The spelling of 42902958 in words is "forty-two million, nine hundred two thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 529 966 1058 1587 1931 3174 3703 3862 5793 7406 11109 11586 13517 22218 27034 40551 44413 81102 88826 133239 266478 310891 621782 932673 1021499 1865346 2042998 3064497 6128994 7150493 14300986 21451479 42902958