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690682011 = 31931119227
BaseRepresentation
bin101001001010101…
…111100010011011
31210010122021121020
4221022233202123
52403303311021
6152311413523
723054462115
oct5112574233
91703567536
10690682011
11324965688
121733842a3
13b01290a6
1467a303b5
15409817c6
hex292af89b

690682011 has 8 divisors (see below), whose sum is σ = 921393984. Its totient is φ = 460212360.

The previous prime is 690681991. The next prime is 690682021. The reversal of 690682011 is 110286096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 690682011 - 215 = 690649243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690682021) 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, 53821 + ... + 65406.

It is an arithmetic number, because the mean of its divisors is an integer number (115174248).

Almost surely, 2690682011 is an apocalyptic number.

690682011 is a deficient number, since it is larger than the sum of its proper divisors (230711973).

690682011 is a wasteful number, since it uses less digits than its factorization.

690682011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121161.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 690682011 is about 26280.8297243447. The cubic root of 690682011 is about 883.9466378352.

The spelling of 690682011 in words is "six hundred ninety million, six hundred eighty-two thousand, eleven".

Divisors: 1 3 1931 5793 119227 357681 230227337 690682011