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20930607 = 322325623
BaseRepresentation
bin100111111011…
…0000000101111
31110101101101200
41033312000233
520324234412
62024340543
7342623115
oct117660057
943341350
1020930607
11108a6525
127014753
13444ab99
142acbab5
151c869dc
hex13f602f

20930607 has 6 divisors (see below), whose sum is σ = 30233112. Its totient is φ = 13953732.

The previous prime is 20930603. The next prime is 20930617. The reversal of 20930607 is 70603902.

20930607 is a `hidden beast` number, since 20 + 9 + 30 + 607 = 666.

It is not a de Polignac number, because 20930607 - 22 = 20930603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20930603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1162803 + ... + 1162820.

It is an arithmetic number, because the mean of its divisors is an integer number (5038852).

Almost surely, 220930607 is an apocalyptic number.

20930607 is a deficient number, since it is larger than the sum of its proper divisors (9302505).

20930607 is a wasteful number, since it uses less digits than its factorization.

20930607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325629 (or 2325626 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 20930607 is about 4574.9980327865. The cubic root of 20930607 is about 275.5881933667.

The spelling of 20930607 in words is "twenty million, nine hundred thirty thousand, six hundred seven".

Divisors: 1 3 9 2325623 6976869 20930607