Search a number
-
+
151039 = 721577
BaseRepresentation
bin100100110111111111
321200012001
4210313333
514313124
63123131
71166230
oct446777
9250161
10151039
11a3529
12734a7
1353995
143d087
152eb44
hex24dff

151039 has 4 divisors (see below), whose sum is σ = 172624. Its totient is φ = 129456.

The previous prime is 151027. The next prime is 151049. The reversal of 151039 is 930151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930151 = 1078693.

It is a cyclic number.

It is not a de Polignac number, because 151039 - 25 = 151007 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151009) 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, 10782 + ... + 10795.

It is an arithmetic number, because the mean of its divisors is an integer number (43156).

2151039 is an apocalyptic number.

151039 is a deficient number, since it is larger than the sum of its proper divisors (21585).

151039 is an equidigital number, since it uses as much as digits as its factorization.

151039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21584.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 151039 is about 388.6373631034. The cubic root of 151039 is about 53.2553243223.

It can be divided in two parts, 1 and 51039, that added together give a triangular number (51040 = T319).

The spelling of 151039 in words is "one hundred fifty-one thousand, thirty-nine".

Divisors: 1 7 21577 151039