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34920515 = 574323203
BaseRepresentation
bin1000010100110…
…1100001000011
32102201010221102
42011031201003
532414424030
63244245015
7602551040
oct205154103
972633842
1034920515
1118791333
12b84076b
137308836
1448d01c7
1530ebc45
hex214d843

34920515 has 16 divisors (see below), whose sum is σ = 49006848. Its totient is φ = 23387616.

The previous prime is 34920497. The next prime is 34920521. The reversal of 34920515 is 51502943.

It is a de Polignac number, because none of the positive numbers 2k-34920515 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10097 + ... + 13106.

It is an arithmetic number, because the mean of its divisors is an integer number (3062928).

Almost surely, 234920515 is an apocalyptic number.

34920515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34920515 is a deficient number, since it is larger than the sum of its proper divisors (14086333).

34920515 is a wasteful number, since it uses less digits than its factorization.

34920515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23258.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 34920515 is about 5909.3582561899. The cubic root of 34920515 is about 326.8588236142.

The spelling of 34920515 in words is "thirty-four million, nine hundred twenty thousand, five hundred fifteen".

Divisors: 1 5 7 35 43 215 301 1505 23203 116015 162421 812105 997729 4988645 6984103 34920515