Search a number
-
+
152312442 = 2325385407
BaseRepresentation
bin10010001010000…
…01101001111010
3101121121021101120
421011001221322
5302442444232
623040330110
73526430412
oct1105015172
9347537346
10152312442
1178a81657
1243013936
132572b609
141632b642
15d58992c
hex9141a7a

152312442 has 8 divisors (see below), whose sum is σ = 304624896. Its totient is φ = 50770812.

The previous prime is 152312441. The next prime is 152312443. The reversal of 152312442 is 244213251.

It is an interprime number because it is at equal distance from previous prime (152312441) and next prime (152312443).

It is a sphenic number, since it is the product of 3 distinct primes.

152312442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (152312441) 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, 12692698 + ... + 12692709.

It is an arithmetic number, because the mean of its divisors is an integer number (38078112).

Almost surely, 2152312442 is an apocalyptic number.

152312442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152312442 is a wasteful number, since it uses less digits than its factorization.

152312442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25385412.

The product of its digits is 1920, while the sum is 24.

The square root of 152312442 is about 12341.4926974009. The cubic root of 152312442 is about 534.0457464772.

Adding to 152312442 its reverse (244213251), we get a palindrome (396525693).

The spelling of 152312442 in words is "one hundred fifty-two million, three hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 3 6 25385407 50770814 76156221 152312442