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1079708421 = 311195332491
BaseRepresentation
bin100000001011011…
…0000101100000101
32210020122212111210
41000112300230011
54202401132141
6255045522033
735520240651
oct10026605405
92706585453
101079708421
11504515a10
12261713319
131428c792c
14a3579a61
1564bc8916
hex405b0b05

1079708421 has 32 divisors (see below), whose sum is σ = 1684385280. Its totient is φ = 608212800.

The previous prime is 1079708411. The next prime is 1079708447. The reversal of 1079708421 is 1248079701.

It is not a de Polignac number, because 1079708421 - 211 = 1079706373 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1079708421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079708411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16986 + ... + 49476.

It is an arithmetic number, because the mean of its divisors is an integer number (52637040).

Almost surely, 21079708421 is an apocalyptic number.

1079708421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1079708421 is a deficient number, since it is larger than the sum of its proper divisors (604676859).

1079708421 is a wasteful number, since it uses less digits than its factorization.

1079708421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32577.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 1079708421 is about 32858.9169176344. The cubic root of 1079708421 is about 1025.8932276443.

The spelling of 1079708421 in words is "one billion, seventy-nine million, seven hundred eight thousand, four hundred twenty-one".

Divisors: 1 3 11 19 33 53 57 159 209 583 627 1007 1749 3021 11077 32491 33231 97473 357401 617329 1072203 1722023 1851987 5166069 6790619 18942253 20371857 32718437 56826759 98155311 359902807 1079708421