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690894095 = 5891552571
BaseRepresentation
bin101001001011100…
…011010100001111
31210011001001112012
4221023203110033
52403332102340
6152320131435
723056334333
oct5113432417
91704031465
10690894095
11324a9aa61
12173466b7b
13b01a1798
1467a877c3
15409c4565
hex292e350f

690894095 has 8 divisors (see below), whose sum is σ = 838388880. Its totient is φ = 546504640.

The previous prime is 690894089. The next prime is 690894101. The reversal of 690894095 is 590498096.

690894095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (690894089) and next prime (690894101).

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

It is not a de Polignac number, because 690894095 - 28 = 690893839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775841 + ... + 776730.

It is an arithmetic number, because the mean of its divisors is an integer number (104798610).

Almost surely, 2690894095 is an apocalyptic number.

690894095 is a deficient number, since it is larger than the sum of its proper divisors (147494785).

690894095 is a wasteful number, since it uses less digits than its factorization.

690894095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552665.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 690894095 is about 26284.8643709645. The cubic root of 690894095 is about 884.0371048183.

The spelling of 690894095 in words is "six hundred ninety million, eight hundred ninety-four thousand, ninety-five".

Divisors: 1 5 89 445 1552571 7762855 138178819 690894095