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253537088 = 2674331307
BaseRepresentation
bin11110001110010…
…10101101000000
3122200002000111112
433013022231000
51004401141323
641054102452
76166013120
oct1707125500
9580060445
10253537088
1112012a192
1270aaaa28
13406b065c
142595ac80
15173d2178
hexf1cab40

253537088 has 56 divisors (see below), whose sum is σ = 576754752. Its totient is φ = 108324864.

The previous prime is 253537087. The next prime is 253537091. The reversal of 253537088 is 880735352.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253537087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193331 + ... + 194637.

It is an arithmetic number, because the mean of its divisors is an integer number (10299192).

Almost surely, 2253537088 is an apocalyptic number.

253537088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253537088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288377376).

253537088 is an abundant number, since it is smaller than the sum of its proper divisors (323217664).

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

253537088 is a wasteful number, since it uses less digits than its factorization.

253537088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 253537088 is about 15922.8479864627. The cubic root of 253537088 is about 632.9175903704.

The spelling of 253537088 in words is "two hundred fifty-three million, five hundred thirty-seven thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 433 448 866 1307 1732 2614 3031 3464 5228 6062 6928 9149 10456 12124 13856 18298 20912 24248 27712 36596 41824 48496 73192 83648 96992 146384 193984 292768 565931 585536 1131862 2263724 3961517 4527448 7923034 9054896 15846068 18109792 31692136 36219584 63384272 126768544 253537088