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1395696870 = 2325191934229
BaseRepresentation
bin101001100110000…
…1010010011100110
310121021020202011200
41103030022103212
510324244244440
6350254343330
746405141041
oct12314122346
93537222150
101395696870
1165691a797
1232b4bab46
13193202c49
14d3511c58
15827e4c30
hex5330a4e6

1395696870 has 96 divisors (see below), whose sum is σ = 3840501600. Its totient is φ = 350687232.

The previous prime is 1395696829. The next prime is 1395696877. The reversal of 1395696870 is 786965931.

1395696870 is a `hidden beast` number, since 1 + 3 + 9 + 569 + 6 + 8 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395696877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327916 + ... + 332144.

It is an arithmetic number, because the mean of its divisors is an integer number (40005225).

Almost surely, 21395696870 is an apocalyptic number.

1395696870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1395696870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920250800).

1395696870 is an abundant number, since it is smaller than the sum of its proper divisors (2444804730).

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

1395696870 is a wasteful number, since it uses less digits than its factorization.

1395696870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 1395696870 is about 37359.0266200821. The cubic root of 1395696870 is about 1117.5416076876.

The spelling of 1395696870 in words is "one billion, three hundred ninety-five million, six hundred ninety-six thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 193 285 342 386 570 579 855 965 1158 1710 1737 1930 2895 3474 3667 4229 5790 7334 8458 8685 11001 12687 17370 18335 21145 22002 25374 33003 36670 38061 42290 55005 63435 66006 76122 80351 110010 126870 160702 165015 190305 241053 330030 380610 401755 482106 723159 803510 816197 1205265 1446318 1632394 2410530 2448591 3615795 4080985 4897182 7231590 7345773 8161970 12242955 14691546 15507743 24485910 31015486 36728865 46523229 73457730 77538715 93046458 139569687 155077430 232616145 279139374 465232290 697848435 1395696870