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289625952 = 25371139181
BaseRepresentation
bin10001010000110…
…101011101100000
3202011222112010010
4101100311131200
51043121012302
644423404520
710114531350
oct2120653540
9664875103
10289625952
111395392a0
1280bb3740
1348007c05
142a672b60
151a66016c
hex11435760

289625952 has 96 divisors (see below), whose sum is σ = 947890944. Its totient is φ = 75225600.

The previous prime is 289625909. The next prime is 289625953. The reversal of 289625952 is 259526982.

289625952 is digitally balanced in base 3, 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 (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289625953) 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, 12199 + ... + 26982.

It is an arithmetic number, because the mean of its divisors is an integer number (9873864).

Almost surely, 2289625952 is an apocalyptic number.

289625952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

289625952 is an abundant number, since it is smaller than the sum of its proper divisors (658264992).

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

289625952 is a wasteful number, since it uses less digits than its factorization.

289625952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39212 (or 39204 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 289625952 is about 17018.4003948667. The cubic root of 289625952 is about 661.6258903683.

The spelling of 289625952 in words is "two hundred eighty-nine million, six hundred twenty-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 132 154 168 176 224 231 264 308 336 352 462 528 616 672 924 1056 1232 1848 2464 3696 7392 39181 78362 117543 156724 235086 274267 313448 430991 470172 548534 626896 822801 861982 940344 1097068 1253792 1292973 1645602 1723964 1880688 2194136 2585946 3016937 3291204 3447928 3761376 4388272 5171892 6033874 6582408 6895856 8776544 9050811 10343784 12067748 13164816 13791712 18101622 20687568 24135496 26329632 36203244 41375136 48270992 72406488 96541984 144812976 289625952