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45272680 = 2351796323
BaseRepresentation
bin1010110010110…
…0111001101000
310011012002102221
42230230321220
543042211210
64254203424
71056545215
oct254547150
9104162387
1045272680
1123612042
12131b3574
1394c178b
146026b0c
153e941da
hex2b2ce68

45272680 has 32 divisors (see below), whose sum is σ = 102448800. Its totient is φ = 18005056.

The previous prime is 45272657. The next prime is 45272681. The reversal of 45272680 is 8627254.

45272680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45272681) 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 7 ways as a sum of consecutive naturals, for example, 3999 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (3201525).

Almost surely, 245272680 is an apocalyptic number.

45272680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45272680 is an abundant number, since it is smaller than the sum of its proper divisors (57176120).

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

45272680 is a wasteful number, since it uses less digits than its factorization.

45272680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 45272680 is about 6728.4976034773. The cubic root of 45272680 is about 356.4063239254.

The spelling of 45272680 in words is "forty-five million, two hundred seventy-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 179 358 716 895 1432 1790 3580 6323 7160 12646 25292 31615 50584 63230 126460 252920 1131817 2263634 4527268 5659085 9054536 11318170 22636340 45272680