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40994880 = 263542703
BaseRepresentation
bin1001110001100…
…0100001000000
32212010202101220
42130120201000
540443314010
64022355040
71005310413
oct234304100
985122356
1040994880
1121160073
121188ba80
138654634
145631b7a
1538eb970
hex2718840

40994880 has 56 divisors (see below), whose sum is σ = 130161792. Its totient is φ = 10931712.

The previous prime is 40994869. The next prime is 40994881. The reversal of 40994880 is 8849904.

It is not an unprimeable number, because it can be changed into a prime (40994881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20392 + ... + 22311.

Almost surely, 240994880 is an apocalyptic number.

40994880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40994880 is an abundant number, since it is smaller than the sum of its proper divisors (89166912).

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

40994880 is a wasteful number, since it uses less digits than its factorization.

40994880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42723 (or 42713 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 40994880 is about 6402.7244201199. The cubic root of 40994880 is about 344.8073698861.

The spelling of 40994880 in words is "forty million, nine hundred ninety-four thousand, eight hundred eighty".

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 42703 85406 128109 170812 213515 256218 341624 427030 512436 640545 683248 854060 1024872 1281090 1366496 1708120 2049744 2562180 2732992 3416240 4099488 5124360 6832480 8198976 10248720 13664960 20497440 40994880