Search a number
-
+
140457588 = 22311704799
BaseRepresentation
bin10000101111100…
…11011001110100
3100210021222120220
420113303121310
5241424120323
621534254340
73323604225
oct1027633164
9323258526
10140457588
1172314957
123b0573b0
132313a6cb
141492324c
15c4e70e3
hex85f3674

140457588 has 12 divisors (see below), whose sum is σ = 327734400. Its totient is φ = 46819192.

The previous prime is 140457529. The next prime is 140457593. The reversal of 140457588 is 885754041.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5852388 + ... + 5852411.

It is an arithmetic number, because the mean of its divisors is an integer number (27311200).

Almost surely, 2140457588 is an apocalyptic number.

It is an amenable number.

140457588 is an abundant number, since it is smaller than the sum of its proper divisors (187276812).

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

140457588 is a wasteful number, since it uses less digits than its factorization.

140457588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11704806 (or 11704804 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 140457588 is about 11851.4804138555. The cubic root of 140457588 is about 519.8145147127.

The spelling of 140457588 in words is "one hundred forty million, four hundred fifty-seven thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 11704799 23409598 35114397 46819196 70228794 140457588