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253553120 = 25513112097
BaseRepresentation
bin11110001110011…
…10100111100000
3122200002211111022
433013032213200
51004402144440
641054305012
76166110632
oct1707164740
9580084438
10253553120
11120140237
1270ab8168
13406b7a42
1425962a52
15173d6cb5
hexf1ce9e0

253553120 has 48 divisors (see below), whose sum is σ = 603641808. Its totient is φ = 100638720.

The previous prime is 253553101. The next prime is 253553159. The reversal of 253553120 is 21355352.

It is a self number, because there is not a number n which added to its sum of digits gives 253553120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14912 + ... + 27008.

It is an arithmetic number, because the mean of its divisors is an integer number (12575871).

Almost surely, 2253553120 is an apocalyptic number.

253553120 is a gapful number since it is divisible by the number (20) 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 253553120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301820904).

253553120 is an abundant number, since it is smaller than the sum of its proper divisors (350088688).

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

253553120 is a wasteful number, since it uses less digits than its factorization.

253553120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243 (or 12235 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 253553120 is about 15923.3514060326. The cubic root of 253553120 is about 632.9309305896.

It can be divided in two parts, 2535 and 53120, that added together give a palindrome (55655).

The spelling of 253553120 in words is "two hundred fifty-three million, five hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 131 160 262 524 655 1048 1310 2096 2620 4192 5240 10480 12097 20960 24194 48388 60485 96776 120970 193552 241940 387104 483880 967760 1584707 1935520 3169414 6338828 7923535 12677656 15847070 25355312 31694140 50710624 63388280 126776560 253553120