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5491272 = 2331743313
BaseRepresentation
bin10100111100101001001000
3101022222121110
4110330221020
52401210042
6313410320
764450353
oct24745110
911288543
105491272
113110746
121a099a0
1311a3597
14a2d29a
1573709c
hex53ca48

5491272 has 64 divisors (see below), whose sum is σ = 14921280. Its totient is φ = 1677312.

The previous prime is 5491271. The next prime is 5491301. The reversal of 5491272 is 2721945.

It is not an unprimeable number, because it can be changed into a prime (5491271) 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, 17388 + ... + 17700.

It is an arithmetic number, because the mean of its divisors is an integer number (233145).

Almost surely, 25491272 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 5491272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7460640).

5491272 is an abundant number, since it is smaller than the sum of its proper divisors (9430008).

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

5491272 is a wasteful number, since it uses less digits than its factorization.

5491272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 5491272 is about 2343.3463252366. The cubic root of 5491272 is about 176.4239949671.

The spelling of 5491272 in words is "five million, four hundred ninety-one thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 43 51 68 86 102 129 136 172 204 258 313 344 408 516 626 731 939 1032 1252 1462 1878 2193 2504 2924 3756 4386 5321 5848 7512 8772 10642 13459 15963 17544 21284 26918 31926 40377 42568 53836 63852 80754 107672 127704 161508 228803 323016 457606 686409 915212 1372818 1830424 2745636 5491272