Search a number
-
+
45031454 = 2131731979
BaseRepresentation
bin1010101111001…
…0000000011110
310010201211112122
42223302000132
543012001304
64245102542
71054522016
oct253620036
9103654478
1045031454
1123467886
12130b7a52
139438a40
145da2c46
153e479be
hex2af201e

45031454 has 8 divisors (see below), whose sum is σ = 72743160. Its totient is φ = 20783736.

The previous prime is 45031439. The next prime is 45031457. The reversal of 45031454 is 45413054.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1731979 = 45031454 / (4 + 5 + 0 + 3 + 1 + 4 + 5 + 4).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865964 + ... + 866015.

It is an arithmetic number, because the mean of its divisors is an integer number (9092895).

Almost surely, 245031454 is an apocalyptic number.

45031454 is a deficient number, since it is larger than the sum of its proper divisors (27711706).

45031454 is a wasteful number, since it uses less digits than its factorization.

45031454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731994.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45031454 is about 6710.5479657029. The cubic root of 45031454 is about 355.7721841270.

The spelling of 45031454 in words is "forty-five million, thirty-one thousand, four hundred fifty-four".

Divisors: 1 2 13 26 1731979 3463958 22515727 45031454