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152942 = 276471
BaseRepresentation
bin100101010101101110
321202210112
4211111232
514343232
63140022
71204616
oct452556
9252715
10152942
11a49a9
1274612
13547ca
143da46
15304b2
hex2556e

152942 has 4 divisors (see below), whose sum is σ = 229416. Its totient is φ = 76470.

The previous prime is 152941. The next prime is 152947. The reversal of 152942 is 249251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249251 = 2310837.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38234 + ... + 38237.

It is an arithmetic number, because the mean of its divisors is an integer number (57354).

2152942 is an apocalyptic number.

152942 is a deficient number, since it is larger than the sum of its proper divisors (76474).

152942 is an equidigital number, since it uses as much as digits as its factorization.

152942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76473.

The product of its digits is 720, while the sum is 23.

The square root of 152942 is about 391.0779973356. The cubic root of 152942 is about 53.4780531288.

The spelling of 152942 in words is "one hundred fifty-two thousand, nine hundred forty-two".

Divisors: 1 2 76471 152942