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117837430 = 2519620197
BaseRepresentation
bin1110000011000…
…00111001110110
322012201202120021
413001200321312
5220131244210
615405355354
72630413234
oct701407166
9265652507
10117837430
1160575007
1233568b5a
131b54a7b9
1411915954
15a529bda
hex7060e76

117837430 has 16 divisors (see below), whose sum is σ = 223271280. Its totient is φ = 44654112.

The previous prime is 117837361. The next prime is 117837439. The reversal of 117837430 is 34738711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117837439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309909 + ... + 310288.

It is an arithmetic number, because the mean of its divisors is an integer number (13954455).

Almost surely, 2117837430 is an apocalyptic number.

117837430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117837430 is a deficient number, since it is larger than the sum of its proper divisors (105433850).

117837430 is a wasteful number, since it uses less digits than its factorization.

117837430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620223.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 117837430 is about 10855.2950213248. The cubic root of 117837430 is about 490.2614597961.

The spelling of 117837430 in words is "one hundred seventeen million, eight hundred thirty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 620197 1240394 3100985 6201970 11783743 23567486 58918715 117837430