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117903493 = 1929321179
BaseRepresentation
bin1110000011100…
…01000010000101
322012212010012001
413001301002011
5220140402433
615411025301
72631106651
oct701610205
9265763161
10117903493
116060a704
123359b231
131b5718a6
1411931a61
15a53e57d
hex7071085

117903493 has 8 divisors (see below), whose sum is σ = 124538400. Its totient is φ = 111311568.

The previous prime is 117903469. The next prime is 117903529. The reversal of 117903493 is 394309711.

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 117903493 - 213 = 117895301 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 (117903593) 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, 5023 + ... + 16156.

It is an arithmetic number, because the mean of its divisors is an integer number (15567300).

Almost surely, 2117903493 is an apocalyptic number.

It is an amenable number.

117903493 is a deficient number, since it is larger than the sum of its proper divisors (6634907).

117903493 is a wasteful number, since it uses less digits than its factorization.

117903493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21491.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 117903493 is about 10858.3374878478. The cubic root of 117903493 is about 490.3530608325.

The spelling of 117903493 in words is "one hundred seventeen million, nine hundred three thousand, four hundred ninety-three".

Divisors: 1 19 293 5567 21179 402401 6205447 117903493