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45671971 = 131443787
BaseRepresentation
bin1010111000111…
…0011000100011
310011221101011111
42232032120203
543143000341
64310524151
71063130302
oct256163043
9104841144
1045671971
1123865034
1213366657
139601447
1460cc439
154022681
hex2b8e623

45671971 has 8 divisors (see below), whose sum is σ = 46183104. Its totient is φ = 45163560.

The previous prime is 45671963. The next prime is 45671993. The reversal of 45671971 is 17917654.

45671971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45671971 - 23 = 45671963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45671071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57640 + ... + 58426.

It is an arithmetic number, because the mean of its divisors is an integer number (5772888).

Almost surely, 245671971 is an apocalyptic number.

45671971 is a deficient number, since it is larger than the sum of its proper divisors (511133).

45671971 is a wasteful number, since it uses less digits than its factorization.

45671971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its digits is 52920, while the sum is 40.

The square root of 45671971 is about 6758.1040980441. The cubic root of 45671971 is about 357.4510562693.

It can be divided in two parts, 456 and 71971, that added together give a palindrome (72427).

The spelling of 45671971 in words is "forty-five million, six hundred seventy-one thousand, nine hundred seventy-one".

Divisors: 1 131 443 787 58033 103097 348641 45671971