Search a number
-
+
551051141 = 1732414773
BaseRepresentation
bin100000110110000…
…101111110000101
31102101220022001112
4200312011332011
52112032114031
6130402534405
716440600044
oct4066057605
91371808045
10551051141
11263065973
12134667405
138a21aa84
145328455b
153359e62b
hex20d85f85

551051141 has 4 divisors (see below), whose sum is σ = 583465932. Its totient is φ = 518636352.

The previous prime is 551051131. The next prime is 551051203. The reversal of 551051141 is 141150155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141150155 = 528230031.

It can be written as a sum of positive squares in 2 ways, for example, as 223622116 + 327429025 = 14954^2 + 18095^2 .

It is a cyclic number.

It is not a de Polignac number, because 551051141 - 222 = 546856837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551051131) 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, 16207370 + ... + 16207403.

It is an arithmetic number, because the mean of its divisors is an integer number (145866483).

Almost surely, 2551051141 is an apocalyptic number.

It is an amenable number.

551051141 is a deficient number, since it is larger than the sum of its proper divisors (32414791).

551051141 is a wasteful number, since it uses less digits than its factorization.

551051141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32414790.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 551051141 is about 23474.4785032597. The cubic root of 551051141 is about 819.8428912767.

The spelling of 551051141 in words is "five hundred fifty-one million, fifty-one thousand, one hundred forty-one".

Divisors: 1 17 32414773 551051141