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118689948 = 22361331101
BaseRepresentation
bin1110001001100…
…01000010011100
322021100002000000
413010301002130
5220341034243
615435534300
72640563556
oct704610234
9267302000
10118689948
1160aa7573
12338ba390
131b788850
1411a984d6
15a6475d3
hex713109c

118689948 has 168 divisors, whose sum is σ = 349620096. Its totient is φ = 34992000.

The previous prime is 118689947. The next prime is 118689983. The reversal of 118689948 is 849986811.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 118689894 and 118689903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118689947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1175098 + ... + 1175198.

It is an arithmetic number, because the mean of its divisors is an integer number (2081072).

Almost surely, 2118689948 is an apocalyptic number.

118689948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118689948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174810048).

118689948 is an abundant number, since it is smaller than the sum of its proper divisors (230930148).

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

118689948 is a wasteful number, since it uses less digits than its factorization.

118689948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 150 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 118689948 is about 10894.4916356845. The cubic root of 118689948 is about 491.4409175766.

The spelling of 118689948 in words is "one hundred eighteen million, six hundred eighty-nine thousand, nine hundred forty-eight".