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25801068 = 22329151491
BaseRepresentation
bin110001001101…
…1000101101100
31210112211102010
41202123011230
523101113233
62321001220
7432206526
oct142330554
953484363
1025801068
11136227a7
128783210
135464a07
1435d8a16
1523e9b63
hex189b16c

25801068 has 48 divisors (see below), whose sum is σ = 62818560. Its totient is φ = 8232000.

The previous prime is 25801067. The next prime is 25801079. The reversal of 25801068 is 86010852.

It is not an unprimeable number, because it can be changed into a prime (25801067) 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, 52303 + ... + 52793.

It is an arithmetic number, because the mean of its divisors is an integer number (1308720).

Almost surely, 225801068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25801068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31409280).

25801068 is an abundant number, since it is smaller than the sum of its proper divisors (37017492).

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

25801068 is a wasteful number, since it uses less digits than its factorization.

25801068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 25801068 is about 5079.4751697395. The cubic root of 25801068 is about 295.4921135890.

The spelling of 25801068 in words is "twenty-five million, eight hundred one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 151 174 302 348 453 491 604 906 982 1473 1812 1964 2946 4379 5892 8758 13137 14239 17516 26274 28478 42717 52548 56956 74141 85434 148282 170868 222423 296564 444846 889692 2150089 4300178 6450267 8600356 12900534 25801068