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40979456 = 21075717
BaseRepresentation
bin1001110001010…
…0110000000000
32212002222020122
42130110300000
540442320311
64022155412
71005214430
oct234246000
985088218
1040979456
112114a521
1211882b68
13864a5cb
14562a2c0
1538e70db
hex2714c00

40979456 has 44 divisors (see below), whose sum is σ = 93637968. Its totient is φ = 17559552.

The previous prime is 40979443. The next prime is 40979467. The reversal of 40979456 is 65497904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4310 + ... + 10026.

Almost surely, 240979456 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 40979456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46818984).

40979456 is an abundant number, since it is smaller than the sum of its proper divisors (52658512).

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

40979456 is an equidigital number, since it uses as much as digits as its factorization.

40979456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744 (or 5726 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 40979456 is about 6401.5198195429. The cubic root of 40979456 is about 344.7641207779.

The spelling of 40979456 in words is "forty million, nine hundred seventy-nine thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 3584 5717 7168 11434 22868 40019 45736 80038 91472 160076 182944 320152 365888 640304 731776 1280608 1463552 2561216 2927104 5122432 5854208 10244864 20489728 40979456