[go: up one dir, main page]

Search a number
-
+
45030127 = 1729241379
BaseRepresentation
bin1010101111000…
…1101011101111
310010201202201111
42223301223233
543011431002
64245052451
71054515112
oct253615357
9103652644
1045030127
112346688a
12130b7127
13943825c
145da2579
153e473d7
hex2af1aef

45030127 has 16 divisors (see below), whose sum is σ = 49658400. Its totient is φ = 40642560.

The previous prime is 45030109. The next prime is 45030131. The reversal of 45030127 is 72103054.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45030127 is a prime.

It is a super-2 number, since 2×450301272 = 4055424675272258, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 45030098 and 45030107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45030187) 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, 118624 + ... + 119002.

It is an arithmetic number, because the mean of its divisors is an integer number (3103650).

Almost surely, 245030127 is an apocalyptic number.

45030127 is a deficient number, since it is larger than the sum of its proper divisors (4628273).

45030127 is a wasteful number, since it uses less digits than its factorization.

45030127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 45030127 is about 6710.4490907837. The cubic root of 45030127 is about 355.7686894265.

The spelling of 45030127 in words is "forty-five million, thirty thousand, one hundred twenty-seven".

Divisors: 1 17 29 241 379 493 4097 6443 6989 10991 91339 118813 186847 1552763 2648831 45030127