Search a number
-
+
742513151 = 3720067923
BaseRepresentation
bin101100010000011…
…101100111111111
31220202011120120002
4230100131213333
53010040410101
6201402344515
724254154242
oct5420354777
91822146502
10742513151
11351147136
121887bb13b
13baaa5ac3
1470883259
15452bdd6b
hex2c41d9ff

742513151 has 4 divisors (see below), whose sum is σ = 762581112. Its totient is φ = 722445192.

The previous prime is 742513133. The next prime is 742513193. The reversal of 742513151 is 151315247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742513151 - 218 = 742251007 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 (742513451) 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, 10033925 + ... + 10033998.

It is an arithmetic number, because the mean of its divisors is an integer number (190645278).

Almost surely, 2742513151 is an apocalyptic number.

742513151 is a deficient number, since it is larger than the sum of its proper divisors (20067961).

742513151 is a wasteful number, since it uses less digits than its factorization.

742513151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20067960.

The product of its digits is 4200, while the sum is 29.

The square root of 742513151 is about 27249.0944987168. The cubic root of 742513151 is about 905.5269566226.

Adding to 742513151 its reverse (151315247), we get a palindrome (893828398).

The spelling of 742513151 in words is "seven hundred forty-two million, five hundred thirteen thousand, one hundred fifty-one".

Divisors: 1 37 20067923 742513151