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45196231 = 192378749
BaseRepresentation
bin1010110001101…
…0001111000111
310011001012120111
42230122033013
543032234411
64252413451
71056106303
oct254321707
9104035514
1045196231
112356a663
1213177287
139495a42
146006d03
153e7b721
hex2b1a3c7

45196231 has 4 divisors (see below), whose sum is σ = 47575000. Its totient is φ = 42817464.

The previous prime is 45196213. The next prime is 45196253. The reversal of 45196231 is 13269154.

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 45196231 - 25 = 45196199 is a prime.

It is a super-2 number, since 2×451962312 = 4085398593210722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45196193 and 45196202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45196531) 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, 1189356 + ... + 1189393.

It is an arithmetic number, because the mean of its divisors is an integer number (11893750).

Almost surely, 245196231 is an apocalyptic number.

45196231 is a deficient number, since it is larger than the sum of its proper divisors (2378769).

45196231 is a wasteful number, since it uses less digits than its factorization.

45196231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378768.

The product of its digits is 6480, while the sum is 31.

The square root of 45196231 is about 6722.8142172754. The cubic root of 45196231 is about 356.2055975849.

The spelling of 45196231 in words is "forty-five million, one hundred ninety-six thousand, two hundred thirty-one".

Divisors: 1 19 2378749 45196231