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285701325 = 352713411021
BaseRepresentation
bin10001000001110…
…111010011001101
3201220121010112120
4101001313103031
51041114420300
644203323153
710036264320
oct2101672315
9656533476
10285701325
111372a86a8
127b8204b9
1347262750
1429d307b7
151a1373a0
hex110774cd

285701325 has 96 divisors (see below), whose sum is σ = 596128512. Its totient is φ = 117504000.

The previous prime is 285701321. The next prime is 285701327. The reversal of 285701325 is 523107582.

It is not a de Polignac number, because 285701325 - 22 = 285701321 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285701321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 279315 + ... + 280335.

It is an arithmetic number, because the mean of its divisors is an integer number (6209672).

Almost surely, 2285701325 is an apocalyptic number.

285701325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285701325 is an abundant number, since it is smaller than the sum of its proper divisors (310427187).

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

285701325 is a wasteful number, since it uses less digits than its factorization.

285701325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 285701325 is about 16902.7017071236. The cubic root of 285701325 is about 658.6237967665.

The spelling of 285701325 in words is "two hundred eighty-five million, seven hundred one thousand, three hundred twenty-five".

Divisors: 1 3 5 7 13 15 21 25 35 39 41 65 75 91 105 123 175 195 205 273 287 325 455 525 533 615 861 975 1021 1025 1365 1435 1599 2275 2665 3063 3075 3731 4305 5105 6825 7147 7175 7995 11193 13273 13325 15315 18655 21441 21525 25525 35735 39819 39975 41861 55965 66365 76575 92911 93275 107205 125583 178675 199095 209305 278733 279825 293027 331825 464555 536025 544193 627915 879081 995475 1046525 1393665 1465135 1632579 2322775 2720965 3139575 3809351 4395405 6968325 7325675 8162895 11428053 13604825 19046755 21977025 40814475 57140265 95233775 285701325