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117897182 = 2138815147
BaseRepresentation
bin1110000011011…
…11011111011110
322012211210112022
413001233133132
5220140202212
615410540142
72631052364
oct701573736
9265753468
10117897182
1160605997
1233597652
131b56ba60
141192d634
15a53c772
hex706f7de

117897182 has 16 divisors (see below), whose sum is σ = 190702512. Its totient is φ = 54341760.

The previous prime is 117897179. The next prime is 117897253. The reversal of 117897182 is 281798711.

It is a super-2 number, since 2×1178971822 = 27799491047082248, which contains 22 as substring.

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, 20333 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (11918907).

Almost surely, 2117897182 is an apocalyptic number.

117897182 is a deficient number, since it is larger than the sum of its proper divisors (72805330).

117897182 is a wasteful number, since it uses less digits than its factorization.

117897182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

The product of its digits is 56448, while the sum is 44.

The square root of 117897182 is about 10858.0468777769. The cubic root of 117897182 is about 490.3443116617.

The spelling of 117897182 in words is "one hundred seventeen million, eight hundred ninety-seven thousand, one hundred eighty-two".

Divisors: 1 2 13 26 881 1762 5147 10294 11453 22906 66911 133822 4534507 9069014 58948591 117897182