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140562740 = 2257028137
BaseRepresentation
bin10000110000011…
…01000100110100
3100210111022211102
420120031010310
5241441001430
621540425232
73324522623
oct1030150464
9323438742
10140562740
117238695a
123b0a8218
1323176526
141494d6ba
15c518345
hex860d134

140562740 has 12 divisors (see below), whose sum is σ = 295181796. Its totient is φ = 56225088.

The previous prime is 140562701. The next prime is 140562757. The reversal of 140562740 is 47265041.

It can be written as a sum of positive squares in 2 ways, for example, as 19254544 + 121308196 = 4388^2 + 11014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514049 + ... + 3514088.

It is an arithmetic number, because the mean of its divisors is an integer number (24598483).

Almost surely, 2140562740 is an apocalyptic number.

140562740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140562740 is an abundant number, since it is smaller than the sum of its proper divisors (154619056).

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

140562740 is a wasteful number, since it uses less digits than its factorization.

140562740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028146 (or 7028144 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140562740 is about 11855.9158229130. The cubic root of 140562740 is about 519.9442001269.

The spelling of 140562740 in words is "one hundred forty million, five hundred sixty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 7028137 14056274 28112548 35140685 70281370 140562740