Search a number
-
+
1308077052 = 223109006421
BaseRepresentation
bin100110111110111…
…1010101111111100
310101011101012101020
41031331322233330
510134331431202
6333444344140
744262320502
oct11575725774
93334335336
101308077052
11611414717
123060a5050
1317b0054b9
14c5a24672
1579c885bc
hex4df7abfc

1308077052 has 12 divisors (see below), whose sum is σ = 3052179816. Its totient is φ = 436025680.

The previous prime is 1308077011. The next prime is 1308077093. The reversal of 1308077052 is 2507708031.

It is an interprime number because it is at equal distance from previous prime (1308077011) and next prime (1308077093).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13080770522 = 3422131147938021408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54503199 + ... + 54503222.

It is an arithmetic number, because the mean of its divisors is an integer number (254348318).

Almost surely, 21308077052 is an apocalyptic number.

1308077052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1308077052 is an abundant number, since it is smaller than the sum of its proper divisors (1744102764).

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

1308077052 is a wasteful number, since it uses less digits than its factorization.

1308077052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109006428 (or 109006426 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 1308077052 is about 36167.3478706969. The cubic root of 1308077052 is about 1093.6485351449.

The spelling of 1308077052 in words is "one billion, three hundred eight million, seventy-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 109006421 218012842 327019263 436025684 654038526 1308077052