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117007438 = 258503719
BaseRepresentation
bin1101111100101…
…10010001001110
322011011121000211
412332112101032
5214423214223
615335513034
72620355362
oct676262116
9264147024
10117007438
1160058469
123322877a
131b319a92
141177b2a2
15a413d0d
hex6f9644e

117007438 has 4 divisors (see below), whose sum is σ = 175511160. Its totient is φ = 58503718.

The previous prime is 117007433. The next prime is 117007459. The reversal of 117007438 is 834700711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834700711 = 1364207747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117007433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29251858 + ... + 29251861.

It is an arithmetic number, because the mean of its divisors is an integer number (43877790).

Almost surely, 2117007438 is an apocalyptic number.

117007438 is a deficient number, since it is larger than the sum of its proper divisors (58503722).

117007438 is an equidigital number, since it uses as much as digits as its factorization.

117007438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58503721.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 117007438 is about 10816.9976425994. The cubic root of 117007438 is about 489.1076888355.

The spelling of 117007438 in words is "one hundred seventeen million, seven thousand, four hundred thirty-eight".

Divisors: 1 2 58503719 117007438