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5436381 = 3612487
BaseRepresentation
bin10100101111001111011101
3101020012022110
4110233033131
52342431011
6312304233
764131336
oct24571735
911205273
105436381
113083485
1219a2079
1311845c2
14a1728d
15725ba6
hex52f3dd

5436381 has 12 divisors (see below), whose sum is σ = 7384416. Its totient is φ = 3557520.

The previous prime is 5436341. The next prime is 5436391. The reversal of 5436381 is 1836345.

It is not a de Polignac number, because 5436381 - 210 = 5435357 is a prime.

It is a super-2 number, since 2×54363812 = 59108476754322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10920 + ... + 11406.

It is an arithmetic number, because the mean of its divisors is an integer number (615368).

Almost surely, 25436381 is an apocalyptic number.

It is an amenable number.

5436381 is a deficient number, since it is larger than the sum of its proper divisors (1948035).

5436381 is an equidigital number, since it uses as much as digits as its factorization.

5436381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 551 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 5436381 is about 2331.6048121412. The cubic root of 5436381 is about 175.8341779245.

The spelling of 5436381 in words is "five million, four hundred thirty-six thousand, three hundred eighty-one".

Divisors: 1 3 61 183 487 1461 3721 11163 29707 89121 1812127 5436381