Search a number
-
+
152105542 = 276052771
BaseRepresentation
bin10010001000011…
…11001001000110
3101121012202120121
421010033021012
5302414334132
623032052154
73524606251
oct1104171106
9347182517
10152105542
1178950166
1242b3405a
13256883a4
14162b6098
15d548497
hex910f246

152105542 has 4 divisors (see below), whose sum is σ = 228158316. Its totient is φ = 76052770.

The previous prime is 152105537. The next prime is 152105543. The reversal of 152105542 is 245501251.

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

It is a super-2 number, since 2×1521055422 = 46272191814227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152105543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38026384 + ... + 38026387.

It is an arithmetic number, because the mean of its divisors is an integer number (57039579).

Almost surely, 2152105542 is an apocalyptic number.

152105542 is a deficient number, since it is larger than the sum of its proper divisors (76052774).

152105542 is an equidigital number, since it uses as much as digits as its factorization.

152105542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76052773.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 152105542 is about 12333.1075564920. The cubic root of 152105542 is about 533.8038224148.

Adding to 152105542 its reverse (245501251), we get a palindrome (397606793).

The spelling of 152105542 in words is "one hundred fifty-two million, one hundred five thousand, five hundred forty-two".

Divisors: 1 2 76052771 152105542