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253716 = 22321143
BaseRepresentation
bin111101111100010100
3110220000220
4331330110
531104331
65234340
72104461
oct757424
9426026
10253716
11163691
121029b0
138b638
1468668
1550296
hex3df14

253716 has 12 divisors (see below), whose sum is σ = 592032. Its totient is φ = 84568.

The previous prime is 253703. The next prime is 253717. The reversal of 253716 is 617352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (49336).

2253716 is an apocalyptic number.

It is an amenable number.

253716 is an abundant number, since it is smaller than the sum of its proper divisors (338316).

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

253716 is a wasteful number, since it uses less digits than its factorization.

253716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21150 (or 21148 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 253716 is about 503.7022930263. The cubic root of 253716 is about 63.3066431088.

It can be divided in two parts, 253 and 716, that added together give a palindrome (969).

The spelling of 253716 in words is "two hundred fifty-three thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 21143 42286 63429 84572 126858 253716