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42207168 = 263219829
BaseRepresentation
bin1010000100000…
…0011111000000
32221102100100110
42201000133000
541301112133
64104351320
71021516653
oct241003700
987370313
1042207168
1121908963
1212175540
13898a373
14586989a
153a8ac63
hex28407c0

42207168 has 28 divisors (see below), whose sum is σ = 111673640. Its totient is φ = 14068992.

The previous prime is 42207167. The next prime is 42207169. The reversal of 42207168 is 86170224.

It is an interprime number because it is at equal distance from previous prime (42207167) and next prime (42207169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42207167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109723 + ... + 110106.

Almost surely, 242207168 is an apocalyptic number.

42207168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42207168 is an abundant number, since it is smaller than the sum of its proper divisors (69466472).

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

42207168 is a wasteful number, since it uses less digits than its factorization.

42207168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219844 (or 219834 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 42207168 is about 6496.7043953069. The cubic root of 42207168 is about 348.1732523498.

The spelling of 42207168 in words is "forty-two million, two hundred seven thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 219829 439658 659487 879316 1318974 1758632 2637948 3517264 5275896 7034528 10551792 14069056 21103584 42207168