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1495439540 = 225710681711
BaseRepresentation
bin101100100100010…
…1001100010110100
310212012221012101122
41121020221202310
511030313031130
6404220243112
752026012020
oct13110514264
93765835348
101495439540
116a8155951
123589a0498
131aaa8658a
14102877380
158b4482e5
hex592298b4

1495439540 has 24 divisors (see below), whose sum is σ = 3589055232. Its totient is φ = 512722080.

The previous prime is 1495439513. The next prime is 1495439551. The reversal of 1495439540 is 459345941.

It is a junction number, because it is equal to n+sod(n) for n = 1495439491 and 1495439500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340716 + ... + 5340995.

It is an arithmetic number, because the mean of its divisors is an integer number (149543968).

Almost surely, 21495439540 is an apocalyptic number.

1495439540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1495439540 is an abundant number, since it is smaller than the sum of its proper divisors (2093615692).

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

1495439540 is a wasteful number, since it uses less digits than its factorization.

1495439540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681727 (or 10681725 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 1495439540 is about 38670.9133587507. The cubic root of 1495439540 is about 1143.5529707685.

The spelling of 1495439540 in words is "one billion, four hundred ninety-five million, four hundred thirty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 10681711 21363422 42726844 53408555 74771977 106817110 149543954 213634220 299087908 373859885 747719770 1495439540