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45928081 = 311481551
BaseRepresentation
bin1010111100110…
…0111010010001
310012102101111001
42233030322101
543224144311
64320222001
71065245053
oct257147221
9105371431
1045928081
1123a1a4a1
121346a901
139690ba4
1461578d3
1540734c1
hex2bcce91

45928081 has 4 divisors (see below), whose sum is σ = 47409664. Its totient is φ = 44446500.

The previous prime is 45928061. The next prime is 45928087. The reversal of 45928081 is 18082954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45928081 - 211 = 45926033 is a prime.

It is a super-2 number, since 2×459280812 = 4218777248685122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45928081.

It is not an unprimeable number, because it can be changed into a prime (45928087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740745 + ... + 740806.

It is an arithmetic number, because the mean of its divisors is an integer number (11852416).

Almost surely, 245928081 is an apocalyptic number.

It is an amenable number.

45928081 is a deficient number, since it is larger than the sum of its proper divisors (1481583).

45928081 is a wasteful number, since it uses less digits than its factorization.

45928081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481582.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 45928081 is about 6777.0259701435. The cubic root of 45928081 is about 358.1179583828.

It can be divided in two parts, 459280 and 81, that added together give a triangular number (459361 = T958).

The spelling of 45928081 in words is "forty-five million, nine hundred twenty-eight thousand, eighty-one".

Divisors: 1 31 1481551 45928081