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45688688 = 242998467
BaseRepresentation
bin1010111001001…
…0011101110000
310011222020002122
42232102131300
543144014223
64311133412
71063230113
oct256223560
9104866078
1045688688
1123876651
1213374268
139608c36
1460d457a
1540275c8
hex2b92770

45688688 has 20 divisors (see below), whose sum is σ = 91575240. Its totient is φ = 22056384.

The previous prime is 45688681. The next prime is 45688691. The reversal of 45688688 is 88688654.

45688688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×456886882 = 4174912422322688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) 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 (45688681) 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 3 ways as a sum of consecutive naturals, for example, 48770 + ... + 49697.

It is an arithmetic number, because the mean of its divisors is an integer number (4578762).

Almost surely, 245688688 is an apocalyptic number.

It is an amenable number.

45688688 is an abundant number, since it is smaller than the sum of its proper divisors (45886552).

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

45688688 is a wasteful number, since it uses less digits than its factorization.

45688688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98504 (or 98498 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 53.

The square root of 45688688 is about 6759.3407962611. The cubic root of 45688688 is about 357.4946627400.

The spelling of 45688688 in words is "forty-five million, six hundred eighty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 29 58 116 232 464 98467 196934 393868 787736 1575472 2855543 5711086 11422172 22844344 45688688