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253935 = 3551119
BaseRepresentation
bin111101111111101111
3110220100000
4331333233
531111220
65235343
72105223
oct757757
9426300
10253935
11163870
12102b53
138b776
1468783
1550390
hex3dfef

253935 has 48 divisors (see below), whose sum is σ = 524160. Its totient is φ = 116640.

The previous prime is 253919. The next prime is 253937. The reversal of 253935 is 539352.

253935 is nontrivially palindromic in base 2 and base 8.

It is not a de Polignac number, because 253935 - 24 = 253919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (4050) is a multiple of the sum of its prime factors (50).

It is a junction number, because it is equal to n+sod(n) for n = 253899 and 253908.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253935.

It is not an unprimeable number, because it can be changed into a prime (253937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13356 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2253935 is an apocalyptic number.

253935 is an abundant number, since it is smaller than the sum of its proper divisors (270225).

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

253935 is a wasteful number, since it uses less digits than its factorization.

253935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 38 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 253935 is about 503.9196364501. The cubic root of 253935 is about 63.3248526656.

The spelling of 253935 in words is "two hundred fifty-three thousand, nine hundred thirty-five".

Divisors: 1 3 5 9 11 15 19 27 33 45 55 57 81 95 99 135 165 171 209 243 285 297 405 495 513 627 855 891 1045 1215 1485 1539 1881 2565 2673 3135 4455 4617 5643 7695 9405 13365 16929 23085 28215 50787 84645 253935