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45020541 = 350929483
BaseRepresentation
bin1010101110111…
…1010101111101
310010201021120110
42223233111331
543011124131
64244540233
71054445136
oct253572575
9103637513
1045020541
112345a665
12130b1679
139433a97
145d9cc8d
153e44646
hex2aef57d

45020541 has 8 divisors (see below), whose sum is σ = 60147360. Its totient is φ = 29953712.

The previous prime is 45020509. The next prime is 45020543. The reversal of 45020541 is 14502054.

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 45020541 - 25 = 45020509 is a prime.

It is a super-2 number, since 2×450205412 = 4053698223865362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020543) 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, 13215 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (7518420).

Almost surely, 245020541 is an apocalyptic number.

It is an amenable number.

45020541 is a deficient number, since it is larger than the sum of its proper divisors (15126819).

45020541 is a wasteful number, since it uses less digits than its factorization.

45020541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29995.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45020541 is about 6709.7347935667. The cubic root of 45020541 is about 355.7434423241.

Adding to 45020541 its reverse (14502054), we get a palindrome (59522595).

The spelling of 45020541 in words is "forty-five million, twenty thousand, five hundred forty-one".

Divisors: 1 3 509 1527 29483 88449 15006847 45020541