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45022681 = 1117240763
BaseRepresentation
bin1010101110111…
…1110111011001
310010201101111201
42223233313121
543011211211
64244554201
71054454314
oct253576731
9103641451
1045022681
1123461230
12130b2961
139434a52
145d9d97b
153e450c1
hex2aefdd9

45022681 has 8 divisors (see below), whose sum is σ = 52005024. Its totient is φ = 38521920.

The previous prime is 45022667. The next prime is 45022687. The reversal of 45022681 is 18622054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45022681 - 29 = 45022169 is a prime.

It is a super-2 number, since 2×450226812 = 4054083608855522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45022687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120195 + ... + 120568.

It is an arithmetic number, because the mean of its divisors is an integer number (6500628).

Almost surely, 245022681 is an apocalyptic number.

It is an amenable number.

45022681 is a deficient number, since it is larger than the sum of its proper divisors (6982343).

45022681 is a wasteful number, since it uses less digits than its factorization.

45022681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240791.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 45022681 is about 6709.8942614619. The cubic root of 45022681 is about 355.7490788542.

The spelling of 45022681 in words is "forty-five million, twenty-two thousand, six hundred eighty-one".

Divisors: 1 11 17 187 240763 2648393 4092971 45022681