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34079020 = 2257921569
BaseRepresentation
bin1000001000000…
…0000100101100
32101010101121221
42002000010230
532211012040
63214233124
7562444513
oct202000454
971111557
1034079020
1118267088
12b4b57a4
1370a2801
14475167a
152ed274a
hex208012c

34079020 has 24 divisors (see below), whose sum is σ = 72475200. Its totient is φ = 13458432.

The previous prime is 34079009. The next prime is 34079021. The reversal of 34079020 is 2097043.

It is a super-2 number, since 2×340790202 = 2322759208320800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34079021) 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, 9205 + ... + 12364.

It is an arithmetic number, because the mean of its divisors is an integer number (3019800).

Almost surely, 234079020 is an apocalyptic number.

It is an amenable number.

34079020 is an abundant number, since it is smaller than the sum of its proper divisors (38396180).

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

34079020 is a wasteful number, since it uses less digits than its factorization.

34079020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21657 (or 21655 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 34079020 is about 5837.7238715102. The cubic root of 34079020 is about 324.2119605788.

The spelling of 34079020 in words is "thirty-four million, seventy-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 21569 43138 86276 107845 215690 431380 1703951 3407902 6815804 8519755 17039510 34079020