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45242023 = 257401439
BaseRepresentation
bin1010110010010…
…1011010100111
310011010112101111
42230211122213
543040221043
64253405451
71056356641
oct254453247
9104115344
1045242023
11235a1002
1213199887
1394b0838
146019891
153e8a09d
hex2b256a7

45242023 has 8 divisors (see below), whose sum is σ = 45635040. Its totient is φ = 44851200.

The previous prime is 45242011. The next prime is 45242033. The reversal of 45242023 is 32024254.

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

It is a cyclic number.

It is not a de Polignac number, because 45242023 - 25 = 45241991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45241985 and 45242003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102838 + ... + 103276.

It is an arithmetic number, because the mean of its divisors is an integer number (5704380).

Almost surely, 245242023 is an apocalyptic number.

45242023 is a deficient number, since it is larger than the sum of its proper divisors (393017).

45242023 is a wasteful number, since it uses less digits than its factorization.

45242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45242023 is about 6726.2190716628. The cubic root of 45242023 is about 356.3258573254.

Adding to 45242023 its reverse (32024254), we get a palindrome (77266277).

The spelling of 45242023 in words is "forty-five million, two hundred forty-two thousand, twenty-three".

Divisors: 1 257 401 439 103057 112823 176039 45242023