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117620286 = 2372400069
BaseRepresentation
bin1110000001010…
…11111000111110
322012022201200220
413000223320332
5220102322121
615401002210
72625520200
oct700537076
9265281626
10117620286
1160436953
1233483366
131b4a2a04
141189a770
15a4d56c6
hex702be3e

117620286 has 24 divisors (see below), whose sum is σ = 273647880. Its totient is φ = 33605712.

The previous prime is 117620281. The next prime is 117620287. The reversal of 117620286 is 682026711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117620281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199741 + ... + 200328.

It is an arithmetic number, because the mean of its divisors is an integer number (11401995).

Almost surely, 2117620286 is an apocalyptic number.

117620286 is an abundant number, since it is smaller than the sum of its proper divisors (156027594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117620286 is a wasteful number, since it uses less digits than its factorization.

117620286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400088 (or 400081 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 117620286 is about 10845.2886545264. The cubic root of 117620286 is about 489.9601328109.

Adding to 117620286 its reverse (682026711), we get a palindrome (799646997).

The spelling of 117620286 in words is "one hundred seventeen million, six hundred twenty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 400069 800138 1200207 2400414 2800483 5600966 8401449 16802898 19603381 39206762 58810143 117620286