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625043141 = 4314535887
BaseRepresentation
bin100101010000010…
…110011011000101
31121120010110222222
4211100112123011
52240002340031
6142004502125
721326531132
oct4520263305
91546113888
10625043141
112a0903188
121553aa945
139c656618
145d025589
1539d17e7b
hex254166c5

625043141 has 4 divisors (see below), whose sum is σ = 639579072. Its totient is φ = 610507212.

The previous prime is 625043113. The next prime is 625043143. The reversal of 625043141 is 141340526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141340526 = 270670263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-625043141 is a prime.

It is a super-2 number, since 2×6250431412 = 781357856222291762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625043141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625043143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7267901 + ... + 7267986.

It is an arithmetic number, because the mean of its divisors is an integer number (159894768).

Almost surely, 2625043141 is an apocalyptic number.

It is an amenable number.

625043141 is a deficient number, since it is larger than the sum of its proper divisors (14535931).

625043141 is a wasteful number, since it uses less digits than its factorization.

625043141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14535930.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 625043141 is about 25000.8628051113. The cubic root of 625043141 is about 855.0076449050.

Adding to 625043141 its reverse (141340526), we get a palindrome (766383667).

The spelling of 625043141 in words is "six hundred twenty-five million, forty-three thousand, one hundred forty-one".

Divisors: 1 43 14535887 625043141