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40148118 = 23217131203
BaseRepresentation
bin1001100100100…
…1110010010110
32210112201212100
42121021302112
540234214433
63552302530
7665152623
oct231116226
983481770
1040148118
112073196a
1211541a46
1384190aa
14549134a
1537d0b13
hex2649c96

40148118 has 24 divisors (see below), whose sum is σ = 92105208. Its totient is φ = 12595392.

The previous prime is 40148117. The next prime is 40148123. The reversal of 40148118 is 81184104.

It is a super-2 number, since 2×401481182 = 3223742757883848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40148091 and 40148100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40148113) 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, 65296 + ... + 65907.

It is an arithmetic number, because the mean of its divisors is an integer number (3837717).

Almost surely, 240148118 is an apocalyptic number.

40148118 is an abundant number, since it is smaller than the sum of its proper divisors (51957090).

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

40148118 is a wasteful number, since it uses less digits than its factorization.

40148118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131228 (or 131225 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 40148118 is about 6336.2542562621. The cubic root of 40148118 is about 342.4167997242.

The spelling of 40148118 in words is "forty million, one hundred forty-eight thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 131203 262406 393609 787218 1180827 2230451 2361654 4460902 6691353 13382706 20074059 40148118