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84552030 = 23253725391
BaseRepresentation
bin1010000101000…
…10100101011110
312220002200120200
411002202211132
5133121131110
612220124330
72044452243
oct502424536
9186080520
1084552030
1143800212
12243966a6
13146952b4
14b32d5ca
1576526c0
hex50a295e

84552030 has 48 divisors (see below), whose sum is σ = 225785664. Its totient is φ = 21936960.

The previous prime is 84552019. The next prime is 84552059. The reversal of 84552030 is 3025548.

84552030 is a `hidden beast` number, since 8 + 455 + 203 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84551985 and 84552003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9366 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (4703868).

Almost surely, 284552030 is an apocalyptic number.

84552030 is an abundant number, since it is smaller than the sum of its proper divisors (141233634).

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

84552030 is a wasteful number, since it uses less digits than its factorization.

84552030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25441 (or 25438 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 84552030 is about 9195.2177788239. The cubic root of 84552030 is about 438.9091954024.

Adding to 84552030 its reverse (3025548), we get a palindrome (87577578).

The spelling of 84552030 in words is "eighty-four million, five hundred fifty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 25391 50782 76173 126955 152346 228519 253910 380865 457038 761730 939467 1142595 1878934 2285190 2818401 4697335 5636802 8455203 9394670 14092005 16910406 28184010 42276015 84552030