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979973033 = 13223412477
BaseRepresentation
bin111010011010010…
…011001110101001
32112021222210021112
4322122103032221
54001333114113
6241124120105
733166430144
oct7232231651
92467883245
10979973033
11463195276
12234236035
13128047700
149421705b
155b0775a8
hex3a6933a9

979973033 has 12 divisors (see below), whose sum is σ = 1062036108. Its totient is φ = 903839040.

The previous prime is 979972999. The next prime is 979973081. The reversal of 979973033 is 330379979.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 92409769 + 887563264 = 9613^2 + 29792^2 .

It is not a de Polignac number, because 979973033 - 26 = 979972969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979973633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394391 + ... + 396867.

It is an arithmetic number, because the mean of its divisors is an integer number (88503009).

Almost surely, 2979973033 is an apocalyptic number.

It is an amenable number.

979973033 is a deficient number, since it is larger than the sum of its proper divisors (82063075).

979973033 is a wasteful number, since it uses less digits than its factorization.

979973033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 964467, while the sum is 50.

The square root of 979973033 is about 31304.5209674258. The cubic root of 979973033 is about 993.2792774086.

The spelling of 979973033 in words is "nine hundred seventy-nine million, nine hundred seventy-three thousand, thirty-three".

Divisors: 1 13 169 2341 2477 30433 32201 395629 418613 5798657 75382541 979973033