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52154252 = 22110311821
BaseRepresentation
bin1100011011110…
…0111110001100
310122010201011222
43012330332030
5101322414002
65101502512
71202206133
oct306747614
9118121158
1052154252
1127492297
1215571a38
13aa60b07
146cd891a
1548a31a2
hex31bcf8c

52154252 has 12 divisors (see below), whose sum is σ = 91360416. Its totient is φ = 26051280.

The previous prime is 52154231. The next prime is 52154303. The reversal of 52154252 is 25245125.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499 + ... + 10322.

It is an arithmetic number, because the mean of its divisors is an integer number (7613368).

Almost surely, 252154252 is an apocalyptic number.

It is an amenable number.

52154252 is a deficient number, since it is larger than the sum of its proper divisors (39206164).

52154252 is a wasteful number, since it uses less digits than its factorization.

52154252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12928 (or 12926 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 52154252 is about 7221.7900827980. The cubic root of 52154252 is about 373.6198201377.

Adding to 52154252 its reverse (25245125), we get a palindrome (77399377).

The spelling of 52154252 in words is "fifty-two million, one hundred fifty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 1103 2206 4412 11821 23642 47284 13038563 26077126 52154252