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42758514 = 2322375473
BaseRepresentation
bin1010001100011…
…1000101110010
32222110100122200
42203013011302
541421233024
64124244030
71026304251
oct243070562
988410580
1042758514
1122155117
12123a0616
138b212c6
145970798
153b492c9
hex28c7172

42758514 has 12 divisors (see below), whose sum is σ = 92643486. Its totient is φ = 14252832.

The previous prime is 42758477. The next prime is 42758549. The reversal of 42758514 is 41585724.

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 1734489 = 6405^2 + 1317^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1187719 + ... + 1187754.

Almost surely, 242758514 is an apocalyptic number.

42758514 is an abundant number, since it is smaller than the sum of its proper divisors (49884972).

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

42758514 is a wasteful number, since it uses less digits than its factorization.

42758514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375481 (or 2375478 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 42758514 is about 6538.9994647499. Note that the first 3 decimals coincide. The cubic root of 42758514 is about 349.6827438037.

The spelling of 42758514 in words is "forty-two million, seven hundred fifty-eight thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 2375473 4750946 7126419 14252838 21379257 42758514