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690064683 = 371123312821
BaseRepresentation
bin101001001000011…
…000110100101011
31210002110220210020
4221020120310223
52403124032213
6152250251523
723046311250
oct5110306453
91702426706
10690064683
113245838a0
12173126ba3
13acc710c9
146790d427
15408ad923
hex29218d2b

690064683 has 32 divisors (see below), whose sum is σ = 1152133632. Its totient is φ = 356908800.

The previous prime is 690064643. The next prime is 690064703. The reversal of 690064683 is 386460096.

It is not a de Polignac number, because 690064683 - 212 = 690060587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690064633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47413 + ... + 60233.

It is an arithmetic number, because the mean of its divisors is an integer number (36004176).

Almost surely, 2690064683 is an apocalyptic number.

690064683 is a deficient number, since it is larger than the sum of its proper divisors (462068949).

690064683 is a wasteful number, since it uses less digits than its factorization.

690064683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 690064683 is about 26269.0822641371. The cubic root of 690064683 is about 883.6832036938.

The spelling of 690064683 in words is "six hundred ninety million, sixty-four thousand, six hundred eighty-three".

Divisors: 1 3 7 11 21 33 77 231 233 699 1631 2563 4893 7689 12821 17941 38463 53823 89747 141031 269241 423093 987217 2961651 2987293 8961879 20911051 32860223 62733153 98580669 230021561 690064683