Search a number
-
+
1386764292 = 2233137531901
BaseRepresentation
bin101001010101000…
…0101100000000100
310120122102220222110
41102222011200010
510320002424132
6345335101020
746236205404
oct12252054004
93518386873
101386764292
116518795a1
12328511770
131913c61b4
14d2268804
1581b2d1cc
hex52a85804

1386764292 has 96 divisors (see below), whose sum is σ = 3497001984. Its totient is φ = 426816000.

The previous prime is 1386764287. The next prime is 1386764299. The reversal of 1386764292 is 2924676831.

It is a super-2 number, since 2×13867642922 = 3846230403132522528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1386764299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728542 + ... + 730442.

It is an arithmetic number, because the mean of its divisors is an integer number (36427104).

Almost surely, 21386764292 is an apocalyptic number.

1386764292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1386764292 is an abundant number, since it is smaller than the sum of its proper divisors (2110237692).

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

1386764292 is a wasteful number, since it uses less digits than its factorization.

1386764292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2027 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 1386764292 is about 37239.2842573538. The cubic root of 1386764292 is about 1115.1523830692.

The spelling of 1386764292 in words is "one billion, three hundred eighty-six million, seven hundred sixty-four thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 31 37 53 62 74 93 106 111 124 148 159 186 212 222 318 372 444 636 1147 1643 1901 1961 2294 3286 3441 3802 3922 4588 4929 5703 5883 6572 6882 7604 7844 9858 11406 11766 13764 19716 22812 23532 58931 60791 70337 100753 117862 121582 140674 176793 182373 201506 211011 235724 243164 281348 302259 353586 364746 403012 422022 604518 707172 729492 844044 1209036 2180447 3123343 3727861 4360894 6246686 6541341 7455722 8721788 9370029 11183583 12493372 13082682 14911444 18740058 22367166 26165364 37480116 44734332 115563691 231127382 346691073 462254764 693382146 1386764292