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42928970 = 2574991229
BaseRepresentation
bin1010001111000…
…0101101001010
32222210000110212
42203300231022
541442211340
64132041122
71030614230
oct243605512
988700425
1042928970
1122261197
12124631a2
138b80a76
1459b6950
153b7ea65
hex28f0b4a

42928970 has 32 divisors (see below), whose sum is σ = 88560000. Its totient is φ = 14677056.

The previous prime is 42928937. The next prime is 42928973. The reversal of 42928970 is 7982924.

It is not an unprimeable number, because it can be changed into a prime (42928973) 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, 34316 + ... + 35544.

It is an arithmetic number, because the mean of its divisors is an integer number (2767500).

Almost surely, 242928970 is an apocalyptic number.

42928970 is an abundant number, since it is smaller than the sum of its proper divisors (45631030).

42928970 is a wasteful number, since it uses less digits than its factorization.

42928970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 42928970 is about 6552.0202991139. The cubic root of 42928970 is about 350.1467955659.

The spelling of 42928970 in words is "forty-two million, nine hundred twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 499 998 1229 2458 2495 3493 4990 6145 6986 8603 12290 17206 17465 34930 43015 86030 613271 1226542 3066355 4292897 6132710 8585794 21464485 42928970