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42498240 = 263544269
BaseRepresentation
bin1010001000011…
…1100011000000
32221222010121220
42202013203000
541334420430
64114515040
71024141401
oct242074300
987863556
1042498240
1121a97614
1212295a80
138a5c9b5
1459039a8
153ae7110
hex28878c0

42498240 has 56 divisors (see below), whose sum is σ = 134934960. Its totient is φ = 11332608.

The previous prime is 42498229. The next prime is 42498271. The reversal of 42498240 is 4289424.

It is a super-2 number, since 2×424982402 = 3612200806195200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21175 + ... + 23094.

Almost surely, 242498240 is an apocalyptic number.

42498240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42498240 is an abundant number, since it is smaller than the sum of its proper divisors (92436720).

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

42498240 is a wasteful number, since it uses less digits than its factorization.

42498240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44289 (or 44279 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 42498240 is about 6519.0674179671. The cubic root of 42498240 is about 348.9717850333.

The spelling of 42498240 in words is "forty-two million, four hundred ninety-eight thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 44269 88538 132807 177076 221345 265614 354152 442690 531228 664035 708304 885380 1062456 1328070 1416608 1770760 2124912 2656140 2833216 3541520 4249824 5312280 7083040 8499648 10624560 14166080 21249120 42498240