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140626444 = 22747106859
BaseRepresentation
bin10000110000111…
…00101000001100
3100210121120012211
420120130220030
5242000021234
621542040204
73325206430
oct1030345014
9323546184
10140626444
117241a802
123b119064
132319951a
14149689c0
15c52c164
hex861ca0c

140626444 has 24 divisors (see below), whose sum is σ = 287239680. Its totient is φ = 58985616.

The previous prime is 140626417. The next prime is 140626463. The reversal of 140626444 is 444626041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52114 + ... + 54745.

It is an arithmetic number, because the mean of its divisors is an integer number (11968320).

Almost surely, 2140626444 is an apocalyptic number.

140626444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140626444 is an abundant number, since it is smaller than the sum of its proper divisors (146613236).

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

140626444 is a wasteful number, since it uses less digits than its factorization.

140626444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106917 (or 106915 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 140626444 is about 11858.6021098610. The cubic root of 140626444 is about 520.0227356923.

The spelling of 140626444 in words is "one hundred forty million, six hundred twenty-six thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 106859 213718 427436 748013 1496026 2992052 5022373 10044746 20089492 35156611 70313222 140626444