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283925061 = 3372214607
BaseRepresentation
bin10000111011000…
…101101001000101
3201210020212222000
4100323011221011
51040141100221
644101255513
710015215600
oct2073055105
9653225860
10283925061
111362a5112
127b104599
1346a900c4
14299cb337
1519dd5e26
hex10ec5a45

283925061 has 24 divisors (see below), whose sum is σ = 489306240. Its totient is φ = 162242136.

The previous prime is 283925011. The next prime is 283925101. The reversal of 283925061 is 160529382.

It is not a de Polignac number, because 283925061 - 217 = 283793989 is a prime.

It is a super-2 number, since 2×2839250612 = 161226880527707442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283925011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105981 + ... + 108626.

It is an arithmetic number, because the mean of its divisors is an integer number (20387760).

Almost surely, 2283925061 is an apocalyptic number.

283925061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

283925061 is a deficient number, since it is larger than the sum of its proper divisors (205381179).

283925061 is a wasteful number, since it uses less digits than its factorization.

283925061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214630 (or 214617 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 283925061 is about 16850.0759938939. The cubic root of 283925061 is about 657.2560249852.

The spelling of 283925061 in words is "two hundred eighty-three million, nine hundred twenty-five thousand, sixty-one".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 214607 643821 1502249 1931463 4506747 5794389 10515743 13520241 31547229 40560723 94641687 283925061