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7400140074 = 23445679877
BaseRepresentation
bin1101110010001010…
…10010110100101010
3201002201200001210000
412321011102310222
5110123413440244
63222150403430
7351245103255
oct67105226452
921081601700
107400140074
113158205848
121526360576
1390c196212
14502b5a09c
152d4a09169
hex1b9152d2a

7400140074 has 20 divisors (see below), whose sum is σ = 16581795714. Its totient is φ = 2466713304.

The previous prime is 7400140073. The next prime is 7400140087. The reversal of 7400140074 is 4700410047.

It can be written as a sum of positive squares in only one way, i.e., 5190482025 + 2209658049 = 72045^2 + 47007^2 .

It is a super-2 number, since 2×74001400742 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7400140073) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22839777 + ... + 22840100.

Almost surely, 27400140074 is an apocalyptic number.

7400140074 is an abundant number, since it is smaller than the sum of its proper divisors (9181655640).

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

7400140074 is a wasteful number, since it uses less digits than its factorization.

7400140074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45679891 (or 45679882 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 7400140074 is about 86024.0668301610. The cubic root of 7400140074 is about 1948.7074558613.

The spelling of 7400140074 in words is "seven billion, four hundred million, one hundred forty thousand, seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 45679877 91359754 137039631 274079262 411118893 822237786 1233356679 2466713358 3700070037 7400140074