Search a number
-
+
151232023 = 178784629
BaseRepresentation
bin10010000001110…
…01111000010111
3101112120101100001
421000321320113
5302203411043
623001232131
73514310455
oct1100717027
9345511301
10151232023
1178403948
1242792647
1325440907
14161299d5
15d42474d
hex9039e17

151232023 has 4 divisors (see below), whose sum is σ = 151318440. Its totient is φ = 151145608.

The previous prime is 151232009. The next prime is 151232057. The reversal of 151232023 is 320232151.

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 151232023 - 221 = 149134871 is a prime.

It is a super-2 number, since 2×1512320232 = 45742249561345058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151232063) 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, 40528 + ... + 44101.

It is an arithmetic number, because the mean of its divisors is an integer number (37829610).

Almost surely, 2151232023 is an apocalyptic number.

151232023 is a deficient number, since it is larger than the sum of its proper divisors (86417).

151232023 is an equidigital number, since it uses as much as digits as its factorization.

151232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86416.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 151232023 is about 12297.6429855481. The cubic root of 151232023 is about 532.7800086418.

Adding to 151232023 its reverse (320232151), we get a palindrome (471464174).

The spelling of 151232023 in words is "one hundred fifty-one million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 1787 84629 151232023