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13270752 = 2532115971
BaseRepresentation
bin110010100111…
…111011100000
3220222020001100
4302213323200
511344131002
61152234400
7220541145
oct62477340
926866040
1013270752
117544570
12453ba00
132998521
141a963cc
15127211c
hexca7ee0

13270752 has 144 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 3897600.

The previous prime is 13270729. The next prime is 13270781. The reversal of 13270752 is 25707231.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×132707522 = 352225717291008, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 186877 + ... + 186947.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 213270752 is an apocalyptic number.

13270752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13270752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21228480).

13270752 is an abundant number, since it is smaller than the sum of its proper divisors (29186208).

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

13270752 is a wasteful number, since it uses less digits than its factorization.

13270752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13270752 is about 3642.9043358288. The cubic root of 13270752 is about 236.7546464761.

Adding to 13270752 its reverse (25707231), we get a palindrome (38977983).

The spelling of 13270752 in words is "thirteen million, two hundred seventy thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 59 66 71 72 88 96 99 118 132 142 144 176 177 198 213 236 264 284 288 352 354 396 426 472 528 531 568 639 649 708 781 792 852 944 1056 1062 1136 1278 1298 1416 1562 1584 1704 1888 1947 2124 2272 2343 2556 2596 2832 3124 3168 3408 3894 4189 4248 4686 5112 5192 5664 5841 6248 6816 7029 7788 8378 8496 9372 10224 10384 11682 12496 12567 14058 15576 16756 16992 18744 20448 20768 23364 24992 25134 28116 31152 33512 37488 37701 46079 46728 50268 56232 62304 67024 74976 75402 92158 93456 100536 112464 134048 138237 150804 184316 186912 201072 224928 276474 301608 368632 402144 414711 552948 603216 737264 829422 1105896 1206432 1474528 1658844 2211792 3317688 4423584 6635376 13270752