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45989454 = 23717411571
BaseRepresentation
bin1010111101101…
…1111001001110
310012112111200010
42233123321032
543233130304
64321414050
71065622020
oct257337116
9105474603
1045989454
1123a61615
121349a326
1396b2ac4
146172010
154086789
hex2bdbe4e

45989454 has 64 divisors (see below), whose sum is σ = 114089472. Its totient is φ = 12057600.

The previous prime is 45989381. The next prime is 45989459. The reversal of 45989454 is 45498954.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45989459) 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 31 ways as a sum of consecutive naturals, for example, 28489 + ... + 30059.

It is an arithmetic number, because the mean of its divisors is an integer number (1782648).

Almost surely, 245989454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45989454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57044736).

45989454 is an abundant number, since it is smaller than the sum of its proper divisors (68100018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45989454 is a wasteful number, since it uses less digits than its factorization.

45989454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its digits is 1036800, while the sum is 48.

The square root of 45989454 is about 6781.5524771250. The cubic root of 45989454 is about 358.2774032531.

The spelling of 45989454 in words is "forty-five million, nine hundred eighty-nine thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 14 17 21 34 41 42 51 82 102 119 123 238 246 287 357 574 697 714 861 1394 1571 1722 2091 3142 4182 4713 4879 9426 9758 10997 14637 21994 26707 29274 32991 53414 64411 65982 80121 128822 160242 186949 193233 373898 386466 450877 560847 901754 1094987 1121694 1352631 2189974 2705262 3284961 6569922 7664909 15329818 22994727 45989454