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45690720 = 253595189
BaseRepresentation
bin1010111001001…
…0111101100000
310011222022212220
42232102331200
543144100340
64311151040
71063236045
oct256227540
9104868786
1045690720
1123878129
1213375480
139609b3a
1460d51cc
154027ed0
hex2b92f60

45690720 has 48 divisors (see below), whose sum is σ = 143927280. Its totient is φ = 12184064.

The previous prime is 45690661. The next prime is 45690737. The reversal of 45690720 is 2709654.

45690720 is digitally balanced in base 2, 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 (48).

It is a super-3 number, since 3×456907203 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47115 + ... + 48074.

It is an arithmetic number, because the mean of its divisors is an integer number (2998485).

Almost surely, 245690720 is an apocalyptic number.

45690720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45690720 is an abundant number, since it is smaller than the sum of its proper divisors (98236560).

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

45690720 is a wasteful number, since it uses less digits than its factorization.

45690720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95207 (or 95199 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 45690720 is about 6759.4911051055. The cubic root of 45690720 is about 357.4999625084.

The spelling of 45690720 in words is "forty-five million, six hundred ninety thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 95189 190378 285567 380756 475945 571134 761512 951890 1142268 1427835 1523024 1903780 2284536 2855670 3046048 3807560 4569072 5711340 7615120 9138144 11422680 15230240 22845360 45690720