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118420958 = 2193116341
BaseRepresentation
bin1110000111011…
…11010111011110
322020211102000102
413003233113132
5220303432313
615430101102
72635363415
oct703572736
9266742012
10118420958
1160933467
12337aa792
131b6c3296
1411a2847c
15a5e2a58
hex70ef5de

118420958 has 8 divisors (see below), whose sum is σ = 186980520. Its totient is φ = 56094120.

The previous prime is 118420957. The next prime is 118420993. The reversal of 118420958 is 859024811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 3116341 = 118420958 / (1 + 1 + 8 + 4 + 2 + 0 + 9 + 5 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118420957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558133 + ... + 1558208.

It is an arithmetic number, because the mean of its divisors is an integer number (23372565).

Almost surely, 2118420958 is an apocalyptic number.

118420958 is a deficient number, since it is larger than the sum of its proper divisors (68559562).

118420958 is a wasteful number, since it uses less digits than its factorization.

118420958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116362.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 118420958 is about 10882.1394036283. The cubic root of 118420958 is about 491.0693818107.

The spelling of 118420958 in words is "one hundred eighteen million, four hundred twenty thousand, nine hundred fifty-eight".

Divisors: 1 2 19 38 3116341 6232682 59210479 118420958