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52154152 = 2331210299
BaseRepresentation
bin1100011011110…
…0111100101000
310122010201001021
43012330330220
5101322413102
65101502224
71202205631
oct306747450
9118121037
1052154152
1127492206
1215571974
13aa60a5b
146cd8888
1548a3137
hex31bcf28

52154152 has 16 divisors (see below), whose sum is σ = 100944000. Its totient is φ = 25235760.

The previous prime is 52154117. The next prime is 52154159. The reversal of 52154152 is 25145125.

It is not an unprimeable number, because it can be changed into a prime (52154159) 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, 104902 + ... + 105397.

It is an arithmetic number, because the mean of its divisors is an integer number (6309000).

Almost surely, 252154152 is an apocalyptic number.

It is an amenable number.

52154152 is a deficient number, since it is larger than the sum of its proper divisors (48789848).

52154152 is a wasteful number, since it uses less digits than its factorization.

52154152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210336 (or 210332 counting only the distinct ones).

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

The square root of 52154152 is about 7221.7831593035. The cubic root of 52154152 is about 373.6195813460.

Adding to 52154152 its reverse (25145125), we get a palindrome (77299277).

The spelling of 52154152 in words is "fifty-two million, one hundred fifty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 31 62 124 248 210299 420598 841196 1682392 6519269 13038538 26077076 52154152