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152420543 = 1113856413
BaseRepresentation
bin10010001010111…
…00000010111111
3101121210202200022
421011130002333
5303004424133
623042522355
73530360522
oct1105340277
9347722608
10152420543
11790458a0
12430663bb
1325768892
1416358bb9
15d5ab998
hex915c0bf

152420543 has 4 divisors (see below), whose sum is σ = 166276968. Its totient is φ = 138564120.

The previous prime is 152420539. The next prime is 152420557. The reversal of 152420543 is 345024251.

It is a happy number.

152420543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 152420543 - 22 = 152420539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152420573) 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, 6928196 + ... + 6928217.

It is an arithmetic number, because the mean of its divisors is an integer number (41569242).

Almost surely, 2152420543 is an apocalyptic number.

152420543 is a deficient number, since it is larger than the sum of its proper divisors (13856425).

152420543 is a wasteful number, since it uses less digits than its factorization.

152420543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856424.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 152420543 is about 12345.8714961723. The cubic root of 152420543 is about 534.1720597012.

Adding to 152420543 its reverse (345024251), we get a palindrome (497444794).

The spelling of 152420543 in words is "one hundred fifty-two million, four hundred twenty thousand, five hundred forty-three".

Divisors: 1 11 13856413 152420543