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140489562 = 2397241391
BaseRepresentation
bin10000101111110…
…11001101011010
3100210100121110010
420113323031122
5241431131222
621535102350
73324066363
oct1027731532
9323317403
10140489562
1172336984
123b0719b6
132314c125
1414930b6a
15c50180c
hex85fb35a

140489562 has 16 divisors (see below), whose sum is σ = 283876992. Its totient is φ = 46346880.

The previous prime is 140489549. The next prime is 140489563. The reversal of 140489562 is 265984041.

It is a self number, because there is not a number n which added to its sum of digits gives 140489562.

It is not an unprimeable number, because it can be changed into a prime (140489563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120114 + ... + 121277.

It is an arithmetic number, because the mean of its divisors is an integer number (17742312).

Almost surely, 2140489562 is an apocalyptic number.

140489562 is an abundant number, since it is smaller than the sum of its proper divisors (143387430).

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

140489562 is a wasteful number, since it uses less digits than its factorization.

140489562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241493.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 140489562 is about 11852.8292824962. The cubic root of 140489562 is about 519.8539555349.

The spelling of 140489562 in words is "one hundred forty million, four hundred eighty-nine thousand, five hundred sixty-two".

Divisors: 1 2 3 6 97 194 291 582 241391 482782 724173 1448346 23414927 46829854 70244781 140489562