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690974383 = 11297121143
BaseRepresentation
bin101001001011110…
…110111010101111
31210011012010122211
4221023312322233
52403342140013
6152321551251
723060120401
oct5113667257
91704163584
10690974383
11325045310
121734a5527
13b01cc1a8
1467aa8b71
15409dd23d
hex292f6eaf

690974383 has 8 divisors (see below), whose sum is σ = 754079616. Its totient is φ = 627917400.

The previous prime is 690974363. The next prime is 690974393. The reversal of 690974383 is 383479096.

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

It is not a de Polignac number, because 690974383 - 25 = 690974351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690974363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22110 + ... + 43252.

It is an arithmetic number, because the mean of its divisors is an integer number (94259952).

Almost surely, 2690974383 is an apocalyptic number.

690974383 is a deficient number, since it is larger than the sum of its proper divisors (63105233).

690974383 is a wasteful number, since it uses less digits than its factorization.

690974383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24125.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 690974383 is about 26286.3915933701. The cubic root of 690974383 is about 884.0713478002.

The spelling of 690974383 in words is "six hundred ninety million, nine hundred seventy-four thousand, three hundred eighty-three".

Divisors: 1 11 2971 21143 32681 232573 62815853 690974383