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40980384 = 253347431
BaseRepresentation
bin1001110001010…
…0111110100000
32212010000112000
42130110332200
540442333014
64022204000
71005220224
oct234247640
985100460
1040980384
1121150195
1211883600
13864ab63
14562a784
1538e7509
hex2714fa0

40980384 has 48 divisors (see below), whose sum is σ = 119528640. Its totient is φ = 13659840.

The previous prime is 40980383. The next prime is 40980389. The reversal of 40980384 is 48308904.

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 (36).

It is not an unprimeable number, because it can be changed into a prime (40980383) 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, 22852 + ... + 24579.

It is an arithmetic number, because the mean of its divisors is an integer number (2490180).

Almost surely, 240980384 is an apocalyptic number.

It is an amenable number.

40980384 is an abundant number, since it is smaller than the sum of its proper divisors (78548256).

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

40980384 is a wasteful number, since it uses less digits than its factorization.

40980384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47450 (or 47436 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40980384 is about 6401.5923019199. The cubic root of 40980384 is about 344.7667232094.

The spelling of 40980384 in words is "forty million, nine hundred eighty thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 47431 94862 142293 189724 284586 379448 426879 569172 758896 853758 1138344 1280637 1517792 1707516 2276688 2561274 3415032 4553376 5122548 6830064 10245096 13660128 20490192 40980384