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45030771 = 3212739397
BaseRepresentation
bin1010101111000…
…1110101110011
310010201210121100
42223301311303
543011441041
64245055443
71054520022
oct253616563
9103653540
1045030771
1123467315
12130b7583
139438636
145da28b9
153e476b6
hex2af1d73

45030771 has 12 divisors (see below), whose sum is σ = 65558272. Its totient is φ = 29783376.

The previous prime is 45030743. The next prime is 45030781. The reversal of 45030771 is 17703054.

It is not a de Polignac number, because 45030771 - 218 = 44768627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45030781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18556 + ... + 20841.

Almost surely, 245030771 is an apocalyptic number.

45030771 is a deficient number, since it is larger than the sum of its proper divisors (20527501).

45030771 is a wasteful number, since it uses less digits than its factorization.

45030771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39530 (or 39527 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 45030771 is about 6710.4970754781. The cubic root of 45030771 is about 355.7703854314.

The spelling of 45030771 in words is "forty-five million, thirty thousand, seven hundred seventy-one".

Divisors: 1 3 9 127 381 1143 39397 118191 354573 5003419 15010257 45030771