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13458396 = 2237533023
BaseRepresentation
bin110011010101…
…101111011100
3221022202110010
4303111233130
511421132041
61200243220
7222252210
oct63255734
927282403
1013458396
117662546
124610510
132a32a63
141b04940
1512aca16
hexcd5bdc

13458396 has 48 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 3771456.

The previous prime is 13458391. The next prime is 13458437. The reversal of 13458396 is 69385431.

It is a super-2 number, since 2×134583962 = 362256845785632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13458391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 213458396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13458396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18289152).

13458396 is an abundant number, since it is smaller than the sum of its proper divisors (23119908).

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

13458396 is a wasteful number, since it uses less digits than its factorization.

13458396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 3088 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 13458396 is about 3668.5686582099. The cubic root of 13458396 is about 237.8653052313.

The spelling of 13458396 in words is "thirteen million, four hundred fifty-eight thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 53 84 106 159 212 318 371 636 742 1113 1484 2226 3023 4452 6046 9069 12092 18138 21161 36276 42322 63483 84644 126966 160219 253932 320438 480657 640876 961314 1121533 1922628 2243066 3364599 4486132 6729198 13458396