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45226431 = 3662039
BaseRepresentation
bin1010110010000…
…1100110111111
310011002202000000
42230201212333
543034221211
64253205343
71056263325
oct254414677
9104082000
1045226431
1123590318
1213190853
1394a6703
146013d15
153e85656
hex2b219bf

45226431 has 14 divisors (see below), whose sum is σ = 67809720. Its totient is φ = 30150468.

The previous prime is 45226429. The next prime is 45226453. The reversal of 45226431 is 13462254.

45226431 is a `hidden beast` number, since 4 + 5 + 226 + 431 = 666.

It is not a de Polignac number, because 45226431 - 21 = 45226429 is a prime.

It is a super-2 number, since 2×452264312 = 4090860121995522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45226395 and 45226404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45226471) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 30291 + ... + 31748.

Almost surely, 245226431 is an apocalyptic number.

45226431 is a deficient number, since it is larger than the sum of its proper divisors (22583289).

45226431 is an frugal number, since it uses more digits than its factorization.

45226431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62057 (or 62042 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 45226431 is about 6725.0599253836. The cubic root of 45226431 is about 356.2849184610.

Adding to 45226431 its reverse (13462254), we get a palindrome (58688685).

The spelling of 45226431 in words is "forty-five million, two hundred twenty-six thousand, four hundred thirty-one".

Divisors: 1 3 9 27 81 243 729 62039 186117 558351 1675053 5025159 15075477 45226431