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117643029 = 3719928151
BaseRepresentation
bin1110000001100…
…01011100010101
322012100212220020
413000301130111
5220104034104
615401255353
72625643410
oct700613425
9265325806
10117643029
1160451a49
1233494559
131b4b017a
14118a4b77
15a4dc2d9
hex7031715

117643029 has 16 divisors (see below), whose sum is σ = 180172800. Its totient is φ = 66884400.

The previous prime is 117643013. The next prime is 117643039. The reversal of 117643029 is 920346711.

It is not a de Polignac number, because 117643029 - 24 = 117643013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117643039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9897 + ... + 18254.

It is an arithmetic number, because the mean of its divisors is an integer number (11260800).

Almost surely, 2117643029 is an apocalyptic number.

It is an amenable number.

117643029 is a deficient number, since it is larger than the sum of its proper divisors (62529771).

117643029 is a wasteful number, since it uses less digits than its factorization.

117643029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28360.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 117643029 is about 10846.3371236561. The cubic root of 117643029 is about 489.9917102582.

The spelling of 117643029 in words is "one hundred seventeen million, six hundred forty-three thousand, twenty-nine".

Divisors: 1 3 7 21 199 597 1393 4179 28151 84453 197057 591171 5602049 16806147 39214343 117643029