Search a number
-
+
152632442 = 276316221
BaseRepresentation
bin10010001100011…
…11110001111010
3101122012112100102
421012033301322
5303033214232
623051235402
73532232354
oct1106176172
9348175312
10152632442
1179180016
1243148b62
1325811171
14163b20d4
15d5ee662
hex918fc7a

152632442 has 4 divisors (see below), whose sum is σ = 228948666. Its totient is φ = 76316220.

The previous prime is 152632433. The next prime is 152632457. The reversal of 152632442 is 244236251.

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

It can be written as a sum of positive squares in only one way, i.e., 112550881 + 40081561 = 10609^2 + 6331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38158109 + ... + 38158112.

Almost surely, 2152632442 is an apocalyptic number.

152632442 is a deficient number, since it is larger than the sum of its proper divisors (76316224).

152632442 is an equidigital number, since it uses as much as digits as its factorization.

152632442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76316223.

The product of its digits is 11520, while the sum is 29.

The square root of 152632442 is about 12354.4502912918. The cubic root of 152632442 is about 534.4194850374.

Adding to 152632442 its reverse (244236251), we get a palindrome (396868693).

The spelling of 152632442 in words is "one hundred fifty-two million, six hundred thirty-two thousand, four hundred forty-two".

Divisors: 1 2 76316221 152632442