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42349974 = 2319371491
BaseRepresentation
bin1010000110001…
…1010110010110
32221200121020120
42201203112112
541320144344
64111412410
71022653212
oct241432626
987617216
1042349974
11219a6187
1212224106
138a0a374
1458a5942
153ab8219
hex2863596

42349974 has 16 divisors (see below), whose sum is σ = 89158080. Its totient is φ = 13373640.

The previous prime is 42349973. The next prime is 42349981. The reversal of 42349974 is 47994324.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42349973) 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, 185632 + ... + 185859.

It is an arithmetic number, because the mean of its divisors is an integer number (5572380).

Almost surely, 242349974 is an apocalyptic number.

42349974 is an abundant number, since it is smaller than the sum of its proper divisors (46808106).

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

42349974 is a wasteful number, since it uses less digits than its factorization.

42349974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371515.

The product of its digits is 217728, while the sum is 42.

The square root of 42349974 is about 6507.6857637719. The cubic root of 42349974 is about 348.5654863431.

The spelling of 42349974 in words is "forty-two million, three hundred forty-nine thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 19 38 57 114 371491 742982 1114473 2228946 7058329 14116658 21174987 42349974