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42208272 = 24321915427
BaseRepresentation
bin1010000100000…
…0110000010000
32221102101212100
42201000300100
541301131042
64104400400
71021523121
oct241006020
987371770
1042208272
1121909777
1212176100
13898aa12
14586a048
153a8b24c
hex2840c10

42208272 has 60 divisors (see below), whose sum is σ = 124349680. Its totient is φ = 13328064.

The previous prime is 42208247. The next prime is 42208301. The reversal of 42208272 is 27280224.

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, 4978 + ... + 10449.

Almost surely, 242208272 is an apocalyptic number.

It is an amenable number.

42208272 is an abundant number, since it is smaller than the sum of its proper divisors (82141408).

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

42208272 is a wasteful number, since it uses less digits than its factorization.

42208272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15460 (or 15451 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 42208272 is about 6496.7893609074. The cubic root of 42208272 is about 348.1762880104.

Adding to 42208272 its reverse (27280224), we get a palindrome (69488496).

The spelling of 42208272 in words is "forty-two million, two hundred eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 15427 30854 46281 61708 92562 123416 138843 185124 246832 277686 293113 370248 555372 586226 740496 879339 1110744 1172452 1758678 2221488 2344904 2638017 3517356 4689808 5276034 7034712 10552068 14069424 21104136 42208272