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117415142 = 21329155723
BaseRepresentation
bin1101111111110…
…01110011100110
322011221022021222
412333321303212
5220024241032
615352340342
72624004125
oct677716346
9264838258
10117415142
1160306809
12333a46b2
131b430520
1411845abc
15a494a12
hex6ff9ce6

117415142 has 16 divisors (see below), whose sum is σ = 196212240. Its totient is φ = 52322592.

The previous prime is 117415139. The next prime is 117415147. The reversal of 117415142 is 241514711.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117415147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77108 + ... + 78615.

It is an arithmetic number, because the mean of its divisors is an integer number (12263265).

Almost surely, 2117415142 is an apocalyptic number.

117415142 is a deficient number, since it is larger than the sum of its proper divisors (78797098).

117415142 is a wasteful number, since it uses less digits than its factorization.

117415142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155767.

The product of its digits is 1120, while the sum is 26.

The square root of 117415142 is about 10835.8267797155. The cubic root of 117415142 is about 489.6751171421.

Adding to 117415142 its reverse (241514711), we get a palindrome (358929853).

The spelling of 117415142 in words is "one hundred seventeen million, four hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 13 26 29 58 377 754 155723 311446 2024399 4048798 4515967 9031934 58707571 117415142