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118241730 = 23251313797
BaseRepresentation
bin1110000110000…
…11100111000010
322020111022011100
413003003213002
5220232213410
615422155230
72634016035
oct703034702
9266438140
10118241730
1160820842
1233722b16
131b65c829
14119bd01c
15a5a98c0
hex70c39c2

118241730 has 24 divisors (see below), whose sum is σ = 307428732. Its totient is φ = 31531104.

The previous prime is 118241713. The next prime is 118241759. The reversal of 118241730 is 37142811.

It can be written as a sum of positive squares in 2 ways, for example, as 115928289 + 2313441 = 10767^2 + 1521^2 .

It is a super-2 number, since 2×1182417302 = 27962213426785800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118241694 and 118241703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656809 + ... + 656988.

Almost surely, 2118241730 is an apocalyptic number.

118241730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118241730 is an abundant number, since it is smaller than the sum of its proper divisors (189187002).

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

118241730 is a wasteful number, since it uses less digits than its factorization.

118241730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313810 (or 1313807 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 118241730 is about 10873.9013238120. The cubic root of 118241730 is about 490.8215151485.

The spelling of 118241730 in words is "one hundred eighteen million, two hundred forty-one thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1313797 2627594 3941391 6568985 7882782 11824173 13137970 19706955 23648346 39413910 59120865 118241730