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253058160 = 24355411949
BaseRepresentation
bin11110001010101…
…01110001110000
3122122011200112110
433011111301300
51004240330120
641035525320
76161646615
oct1705256160
9578150473
10253058160
1111a932383
12708b9840
1340573674
142587450c
151733a2e0
hexf155c70

253058160 has 80 divisors (see below), whose sum is σ = 786333600. Its totient is φ = 67322880.

The previous prime is 253058153. The next prime is 253058161. The reversal of 253058160 is 61850352.

253058160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253058161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128866 + ... + 130814.

It is an arithmetic number, because the mean of its divisors is an integer number (9829170).

Almost surely, 2253058160 is an apocalyptic number.

253058160 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 253058160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393166800).

253058160 is an abundant number, since it is smaller than the sum of its proper divisors (533275440).

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

253058160 is a wasteful number, since it uses less digits than its factorization.

253058160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 253058160 is about 15907.8018594651. The cubic root of 253058160 is about 632.5188150235.

The spelling of 253058160 in words is "two hundred fifty-three million, fifty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 541 1082 1623 1949 2164 2705 3246 3898 4328 5410 5847 6492 7796 8115 8656 9745 10820 11694 12984 15592 16230 19490 21640 23388 25968 29235 31184 32460 38980 43280 46776 58470 64920 77960 93552 116940 129840 155920 233880 467760 1054409 2108818 3163227 4217636 5272045 6326454 8435272 10544090 12652908 15816135 16870544 21088180 25305816 31632270 42176360 50611632 63264540 84352720 126529080 253058160