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42250272 = 2533114197
BaseRepresentation
bin1010000100101…
…1000000100000
32221111112110220
42201023000200
541304002042
64105323040
71022056431
oct241130040
987445426
1042250272
1121938289
1212196480
1389a3b7c
14587b488
153a988ec
hex284b020

42250272 has 48 divisors (see below), whose sum is σ = 114492672. Its totient is φ = 13628160.

The previous prime is 42250231. The next prime is 42250277. The reversal of 42250272 is 27205224.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42250277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4123 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (2385264).

Almost surely, 242250272 is an apocalyptic number.

It is an amenable number.

42250272 is an abundant number, since it is smaller than the sum of its proper divisors (72242400).

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

42250272 is a wasteful number, since it uses less digits than its factorization.

42250272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14241 (or 14233 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 42250272 is about 6500.0209230432. The cubic root of 42250272 is about 348.2917358099.

Adding to 42250272 its reverse (27205224), we get a palindrome (69455496).

The spelling of 42250272 in words is "forty-two million, two hundred fifty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 14197 28394 42591 56788 85182 113576 170364 227152 340728 440107 454304 681456 880214 1320321 1362912 1760428 2640642 3520856 5281284 7041712 10562568 14083424 21125136 42250272