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116618401 = 107992
BaseRepresentation
bin1101111001101…
…11010010100001
322010102211101001
412330313102201
5214323242101
615323312001
72614145224
oct674672241
9263384331
10116618401
115a912149
123307b601
131b211993
14116b95bb
15a388901
hex6f374a1

116618401 has 3 divisors (see below), whose sum is σ = 116629201. Its totient is φ = 116607602.

The previous prime is 116618363. The next prime is 116618407. The reversal of 116618401 is 104816611.

The square root of 116618401 is 10799.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 116618401 - 215 = 116585633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116618401.

It is not an unprimeable number, because it can be changed into a prime (116618407) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5400 + ... + 16198.

Almost surely, 2116618401 is an apocalyptic number.

116618401 is the 10799-th square number.

116618401 is the 5400-th centered octagonal number.

It is an amenable number.

116618401 is a deficient number, since it is larger than the sum of its proper divisors (10800).

116618401 is an frugal number, since it uses more digits than its factorization.

116618401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598 (or 10799 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The cubic root of 116618401 is about 488.5650103259.

The spelling of 116618401 in words is "one hundred sixteen million, six hundred eighteen thousand, four hundred one".

Divisors: 1 10799 116618401