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13380732 = 2232491757
BaseRepresentation
bin110011000010…
…110001111100
3221011210220200
4303002301330
511411140412
61154443500
7221506611
oct63026174
927153820
1013380732
11760a162
124593590
132a065c1
141ac4508
1512949dc
hexcc2c7c

13380732 has 36 divisors (see below), whose sum is σ = 33937176. Its totient is φ = 4445280.

The previous prime is 13380727. The next prime is 13380743. The reversal of 13380732 is 23708331.

13380732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 13380696 and 13380705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17298 + ... + 18054.

Almost surely, 213380732 is an apocalyptic number.

13380732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13380732 is an abundant number, since it is smaller than the sum of its proper divisors (20556444).

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

13380732 is a wasteful number, since it uses less digits than its factorization.

13380732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13380732 is about 3657.9682885449. The cubic root of 13380732 is about 237.4068746624.

It can be divided in two parts, 133807 and 32, that multiplied together give a palindrome (4281824).

The spelling of 13380732 in words is "thirteen million, three hundred eighty thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 491 757 982 1473 1514 1964 2271 2946 3028 4419 4542 5892 6813 8838 9084 13626 17676 27252 371687 743374 1115061 1486748 2230122 3345183 4460244 6690366 13380732