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1395001340 = 225531316039
BaseRepresentation
bin101001100100110…
…0000011111111100
310121012221102002022
41103021200133330
510324110020330
6350231415312
746366213205
oct12311403774
93535842068
101395001340
11656495177
1232b224538
1319301b4a5
14d33b05ac
1582708ae5
hex532607fc

1395001340 has 24 divisors (see below), whose sum is σ = 2984778720. Its totient is φ = 547471808.

The previous prime is 1395001339. The next prime is 1395001357. The reversal of 1395001340 is 431005931.

It is a congruent number.

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, 656960 + ... + 659079.

It is an arithmetic number, because the mean of its divisors is an integer number (124365780).

Almost surely, 21395001340 is an apocalyptic number.

1395001340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1395001340 is an abundant number, since it is smaller than the sum of its proper divisors (1589777380).

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

1395001340 is a wasteful number, since it uses less digits than its factorization.

1395001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316101 (or 1316099 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1395001340 is about 37349.7167325269. The cubic root of 1395001340 is about 1117.3559387018.

The spelling of 1395001340 in words is "one billion, three hundred ninety-five million, one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1316039 2632078 5264156 6580195 13160390 26320780 69750067 139500134 279000268 348750335 697500670 1395001340