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42182568 = 23323118899
BaseRepresentation
bin1010000011101…
…0011110101000
32221101002121100
42200322132220
541244320233
64104041400
71021355151
oct240723650
987332540
1042182568
11218a142a
1212163260
13897c0cc
145860928
153a83813
hex283a7a8

42182568 has 48 divisors (see below), whose sum is σ = 117936000. Its totient is φ = 13606560.

The previous prime is 42182557. The next prime is 42182611. The reversal of 42182568 is 86528124.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7218 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 242182568 is an apocalyptic number.

It is an amenable number.

42182568 is an abundant number, since it is smaller than the sum of its proper divisors (75753432).

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

42182568 is a wasteful number, since it uses less digits than its factorization.

42182568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942 (or 18935 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 42182568 is about 6494.8108517493. The cubic root of 42182568 is about 348.1055961753.

It can be divided in two parts, 4218 and 2568, that added together give a triangular number (6786 = T116).

The spelling of 42182568 in words is "forty-two million, one hundred eighty-two thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 18899 37798 56697 75596 113394 151192 170091 226788 340182 453576 585869 680364 1171738 1360728 1757607 2343476 3515214 4686952 5272821 7030428 10545642 14060856 21091284 42182568