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690316 = 221129541
BaseRepresentation
bin10101000100010001100
31022001221021
42220202030
5134042231
622443524
75603404
oct2504214
91261837
10690316
11431710
122935a4
131b2293
1413d804
15d9811
hexa888c

690316 has 24 divisors (see below), whose sum is σ = 1365840. Its totient is φ = 302400.

The previous prime is 690293. The next prime is 690323. The reversal of 690316 is 613096.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is an unprimeable number.

690316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006 + ... + 1546.

It is an arithmetic number, because the mean of its divisors is an integer number (56910).

2690316 is an apocalyptic number.

It is an amenable number.

690316 is a deficient number, since it is larger than the sum of its proper divisors (675524).

690316 is a wasteful number, since it uses less digits than its factorization.

690316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 690316 is about 830.8525741670. The cubic root of 690316 is about 88.3790467869.

The spelling of 690316 in words is "six hundred ninety thousand, three hundred sixteen".

Divisors: 1 2 4 11 22 29 44 58 116 319 541 638 1082 1276 2164 5951 11902 15689 23804 31378 62756 172579 345158 690316