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118492245 = 3252633161
BaseRepresentation
bin1110001000000…
…00110001010101
322020222000210200
413010000301111
5220313222440
615431411113
72636111304
oct704006125
9266860720
10118492245
1160981a83
1233823a99
131b719871
1411a4643b
15a608c30
hex7100c55

118492245 has 12 divisors (see below), whose sum is σ = 205386636. Its totient is φ = 63195840.

The previous prime is 118492243. The next prime is 118492271. The reversal of 118492245 is 542294811.

It can be written as a sum of positive squares in 2 ways, for example, as 51022449 + 67469796 = 7143^2 + 8214^2 .

It is not a de Polignac number, because 118492245 - 21 = 118492243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118492243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1316536 + ... + 1316625.

It is an arithmetic number, because the mean of its divisors is an integer number (17115553).

Almost surely, 2118492245 is an apocalyptic number.

118492245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118492245 is a deficient number, since it is larger than the sum of its proper divisors (86894391).

118492245 is a wasteful number, since it uses less digits than its factorization.

118492245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633172 (or 2633169 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 118492245 is about 10885.4143237637. The cubic root of 118492245 is about 491.1678999601.

The spelling of 118492245 in words is "one hundred eighteen million, four hundred ninety-two thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 2633161 7899483 13165805 23698449 39497415 118492245