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117188770 = 2519616783
BaseRepresentation
bin1101111110000…
…10100010100010
322011111210202211
412333002202202
5220000020040
615343432334
72622042136
oct677024242
9264453684
10117188770
1160171726
12332b56aa
131b38148a
14117c73c6
15a44c8ea
hex6fc28a2

117188770 has 16 divisors (see below), whose sum is σ = 222042240. Its totient is φ = 44408304.

The previous prime is 117188761. The next prime is 117188807. The reversal of 117188770 is 77881711.

It is a super-2 number, since 2×1171887702 = 27466415628225800, which contains 22 as substring.

It is an unprimeable number.

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, 308202 + ... + 308581.

It is an arithmetic number, because the mean of its divisors is an integer number (13877640).

Almost surely, 2117188770 is an apocalyptic number.

117188770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117188770 is a deficient number, since it is larger than the sum of its proper divisors (104853470).

117188770 is a wasteful number, since it uses less digits than its factorization.

117188770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616809.

The product of its (nonzero) digits is 21952, while the sum is 40.

The square root of 117188770 is about 10825.3762059339. The cubic root of 117188770 is about 489.3602229200.

The spelling of 117188770 in words is "one hundred seventeen million, one hundred eighty-eight thousand, seven hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 616783 1233566 3083915 6167830 11718877 23437754 58594385 117188770