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690104 = 2386263
BaseRepresentation
bin10101000011110111000
31022001122102
42220132320
5134040404
622442532
75602652
oct2503670
91261572
10690104
11431538
12293448
131b215c
1413d6d2
15d971e
hexa87b8

690104 has 8 divisors (see below), whose sum is σ = 1293960. Its totient is φ = 345048.

The previous prime is 690103. The next prime is 690119. The reversal of 690104 is 401096.

690104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43124 + ... + 43139.

It is an arithmetic number, because the mean of its divisors is an integer number (161745).

2690104 is an apocalyptic number.

It is an amenable number.

690104 is a deficient number, since it is larger than the sum of its proper divisors (603856).

690104 is a wasteful number, since it uses less digits than its factorization.

690104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86269 (or 86265 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 690104 is about 830.7249845767. The cubic root of 690104 is about 88.3699986233.

The spelling of 690104 in words is "six hundred ninety thousand, one hundred four".

Divisors: 1 2 4 8 86263 172526 345052 690104