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117800830 = 2577323053
BaseRepresentation
bin1110000010101…
…11111101111110
322012122220100201
413001113331332
5220124111310
615404514114
72630201440
oct701277576
9265586321
10117800830
116054a564
123354b93a
131b536c44
1411906490
15a51de3a
hex7057f7e

117800830 has 32 divisors (see below), whose sum is σ = 245663424. Its totient is φ = 39833856.

The previous prime is 117800801. The next prime is 117800843. The reversal of 117800830 is 38008711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6417 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (7676982).

Almost surely, 2117800830 is an apocalyptic number.

117800830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117800830 is an abundant number, since it is smaller than the sum of its proper divisors (127862594).

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

117800830 is a wasteful number, since it uses less digits than its factorization.

117800830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23140.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 117800830 is about 10853.6090771688. The cubic root of 117800830 is about 490.2106965610.

The spelling of 117800830 in words is "one hundred seventeen million, eight hundred thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 73 146 365 511 730 1022 2555 5110 23053 46106 115265 161371 230530 322742 806855 1613710 1682869 3365738 8414345 11780083 16828690 23560166 58900415 117800830