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140492828 = 22717295153
BaseRepresentation
bin10000101111111…
…00000000011100
3100210100202221002
420113330000130
5241431232303
621535125432
73324112040
oct1027740034
9323322832
10140492828
1172339383
123b073878
1323150768
1414932020
15c502788
hex85fc01c

140492828 has 24 divisors (see below), whose sum is σ = 297515232. Its totient is φ = 56669184.

The previous prime is 140492827. The next prime is 140492851. The reversal of 140492828 is 828294041.

140492828 = 44772 + 44782 + ... + 44832.

It is a junction number, because it is equal to n+sod(n) for n = 140492791 and 140492800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140492827) 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, 147101 + ... + 148052.

It is an arithmetic number, because the mean of its divisors is an integer number (12396468).

Almost surely, 2140492828 is an apocalyptic number.

It is an amenable number.

140492828 is an abundant number, since it is smaller than the sum of its proper divisors (157022404).

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

140492828 is a wasteful number, since it uses less digits than its factorization.

140492828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295181 (or 295179 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 140492828 is about 11852.9670547083. The cubic root of 140492828 is about 519.8579839003.

It can be divided in two parts, 1404928 and 28, that multiplied together give a square (39337984 = 62722).

The spelling of 140492828 in words is "one hundred forty million, four hundred ninety-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 295153 590306 1180612 2066071 4132142 5017601 8264284 10035202 20070404 35123207 70246414 140492828