Search a number
-
+
45054719 = 192981769
BaseRepresentation
bin1010101111011…
…1101011111111
310010210000110022
42223313223333
543013222334
64245402355
71054646603
oct253675377
9103700408
1045054719
1123483306
12131093bb
1394464c8
145dab503
153e4e82e
hex2af7aff

45054719 has 8 divisors (see below), whose sum is σ = 49062000. Its totient is φ = 41211072.

The previous prime is 45054707. The next prime is 45054721. The reversal of 45054719 is 91745054.

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 45054719 - 24 = 45054703 is a prime.

It is a super-2 number, since 2×450547192 = 4059855408337922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45054739) 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, 40334 + ... + 41435.

It is an arithmetic number, because the mean of its divisors is an integer number (6132750).

Almost surely, 245054719 is an apocalyptic number.

45054719 is a deficient number, since it is larger than the sum of its proper divisors (4007281).

45054719 is a wasteful number, since it uses less digits than its factorization.

45054719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81817.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 45054719 is about 6712.2812068625. The cubic root of 45054719 is about 355.8334421598.

The spelling of 45054719 in words is "forty-five million, fifty-four thousand, seven hundred nineteen".

Divisors: 1 19 29 551 81769 1553611 2371301 45054719