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45154023 = 3173723929
BaseRepresentation
bin1010110000111…
…1111011100111
310010222001200020
42230033323213
543024412043
64251450223
71055542245
oct254177347
9103861606
1045154023
1123540982
1213156973
13947c775
145dd5795
153e6de83
hex2b0fee7

45154023 has 16 divisors (see below), whose sum is σ = 65472480. Its totient is φ = 27565056.

The previous prime is 45154019. The next prime is 45154033. The reversal of 45154023 is 32045154.

It is not a de Polignac number, because 45154023 - 22 = 45154019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45153984 and 45154002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45154033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10078 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (4092030).

Almost surely, 245154023 is an apocalyptic number.

45154023 is a deficient number, since it is larger than the sum of its proper divisors (20318457).

45154023 is a wasteful number, since it uses less digits than its factorization.

45154023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23986.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45154023 is about 6719.6743224653. The cubic root of 45154023 is about 356.0946782436.

Adding to 45154023 its reverse (32045154), we get a palindrome (77199177).

The spelling of 45154023 in words is "forty-five million, one hundred fifty-four thousand, twenty-three".

Divisors: 1 3 17 37 51 111 629 1887 23929 71787 406793 885373 1220379 2656119 15051341 45154023