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693495993 = 3697133161
BaseRepresentation
bin101001010101011…
…110100010111001
31210022221020122210
4221111132202321
52410013332433
6152452005333
723120422131
oct5125364271
91708836583
10693495993
11326507893
12174300849
13b08a2b78
1468163ac1
1540d3a463
hex2955e8b9

693495993 has 8 divisors (see below), whose sum is σ = 924821856. Its totient is φ = 462250400.

The previous prime is 693495989. The next prime is 693496033. The reversal of 693495993 is 399594396.

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

It is a cyclic number.

It is not a de Polignac number, because 693495993 - 22 = 693495989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (693495923) 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, 4333 + ... + 37493.

It is an arithmetic number, because the mean of its divisors is an integer number (115602732).

Almost surely, 2693495993 is an apocalyptic number.

It is an amenable number.

693495993 is a deficient number, since it is larger than the sum of its proper divisors (231325863).

693495993 is a wasteful number, since it uses less digits than its factorization.

693495993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40135.

The product of its digits is 7085880, while the sum is 57.

The square root of 693495993 is about 26334.3120851865. The cubic root of 693495993 is about 885.1454719532.

The spelling of 693495993 in words is "six hundred ninety-three million, four hundred ninety-five thousand, nine hundred ninety-three".

Divisors: 1 3 6971 20913 33161 99483 231165331 693495993