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45430971 = 315143657
BaseRepresentation
bin1010110101001…
…1100010111011
310011111010120120
42231103202323
543112242341
64301424323
71061104545
oct255234273
9104433516
1045430971
112370aa63
121326b0a3
139548841
146068695
153ec6066
hex2b538bb

45430971 has 4 divisors (see below), whose sum is σ = 60574632. Its totient is φ = 30287312.

The previous prime is 45430969. The next prime is 45430991. The reversal of 45430971 is 17903454.

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

It is a cyclic number.

It is not a de Polignac number, because 45430971 - 21 = 45430969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45430961) 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, 7571826 + ... + 7571831.

It is an arithmetic number, because the mean of its divisors is an integer number (15143658).

Almost surely, 245430971 is an apocalyptic number.

45430971 is a deficient number, since it is larger than the sum of its proper divisors (15143661).

45430971 is a wasteful number, since it uses less digits than its factorization.

45430971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15143660.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 45430971 is about 6740.2500695449. The cubic root of 45430971 is about 356.8212193998.

The spelling of 45430971 in words is "forty-five million, four hundred thirty thousand, nine hundred seventy-one".

Divisors: 1 3 15143657 45430971