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42002892 = 22323161617
BaseRepresentation
bin1010000000111…
…0100111001100
32221000222010200
42200032213030
541223043032
64100133500
71020006261
oct240164714
987028120
1042002892
1121789438
1212097290
1389183a9
145815268
153a4a47c
hex280e9cc

42002892 has 72 divisors (see below), whose sum is σ = 111576192. Its totient is φ = 13305600.

The previous prime is 42002879. The next prime is 42002893. The reversal of 42002892 is 29820024.

It is not an unprimeable number, because it can be changed into a prime (42002893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67768 + ... + 68384.

Almost surely, 242002892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42002892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55788096).

42002892 is an abundant number, since it is smaller than the sum of its proper divisors (69573300).

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

42002892 is a wasteful number, since it uses less digits than its factorization.

42002892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 42002892 is about 6480.9638172111. The cubic root of 42002892 is about 347.6106426143.

The spelling of 42002892 in words is "forty-two million, two thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 61 62 93 122 124 183 186 244 279 366 372 549 558 617 732 1098 1116 1234 1851 1891 2196 2468 3702 3782 5553 5673 7404 7564 11106 11346 17019 19127 22212 22692 34038 37637 38254 57381 68076 75274 76508 112911 114762 150548 172143 225822 229524 338733 344286 451644 677466 688572 1166747 1354932 2333494 3500241 4666988 7000482 10500723 14000964 21001446 42002892