Search a number
-
+
151457629 = 1131340333
BaseRepresentation
bin10010000011100…
…00111101011101
3101112222211210211
421001300331131
5302233121004
623010132421
73516240301
oct1101607535
9345884724
10151457629
11785483a4
1242881111
13254bc4cb
1416187d01
15d46b504
hex9070f5d

151457629 has 4 divisors (see below), whose sum is σ = 152798076. Its totient is φ = 150117184.

The previous prime is 151457627. The next prime is 151457651. The reversal of 151457629 is 926754151.

151457629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54730404 + 96727225 = 7398^2 + 9835^2 .

It is a cyclic number.

It is not a de Polignac number, because 151457629 - 21 = 151457627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151457591 and 151457600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151457627) 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, 670054 + ... + 670279.

It is an arithmetic number, because the mean of its divisors is an integer number (38199519).

Almost surely, 2151457629 is an apocalyptic number.

It is an amenable number.

151457629 is a deficient number, since it is larger than the sum of its proper divisors (1340447).

151457629 is a wasteful number, since it uses less digits than its factorization.

151457629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340446.

The product of its digits is 75600, while the sum is 40.

The square root of 151457629 is about 12306.8123005106. The cubic root of 151457629 is about 533.0448084807.

The spelling of 151457629 in words is "one hundred fifty-one million, four hundred fifty-seven thousand, six hundred twenty-nine".

Divisors: 1 113 1340333 151457629