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45429771 = 315143257
BaseRepresentation
bin1010110101001…
…1010000001011
310011111001221010
42231103100023
543112223041
64301415003
71061101212
oct255232013
9104431833
1045429771
112370a072
121326a463
13954812a
146068079
153ec5a16
hex2b5340b

45429771 has 4 divisors (see below), whose sum is σ = 60573032. Its totient is φ = 30286512.

The previous prime is 45429757. The next prime is 45429773. The reversal of 45429771 is 17792454.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45429771 - 29 = 45429259 is a prime.

It is a super-2 number, since 2×454297712 = 4127728186224882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45429773) 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, 7571626 + ... + 7571631.

It is an arithmetic number, because the mean of its divisors is an integer number (15143258).

Almost surely, 245429771 is an apocalyptic number.

45429771 is a deficient number, since it is larger than the sum of its proper divisors (15143261).

45429771 is a wasteful number, since it uses less digits than its factorization.

45429771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143260.

The product of its digits is 70560, while the sum is 39.

The square root of 45429771 is about 6740.1610514883. The cubic root of 45429771 is about 356.8180777161.

The spelling of 45429771 in words is "forty-five million, four hundred twenty-nine thousand, seven hundred seventy-one".

Divisors: 1 3 15143257 45429771