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52868428 = 2228434649
BaseRepresentation
bin1100100110101…
…1010101001100
310200110222211221
43021223111030
5102013242203
65125053124
71211242234
oct311532514
9120428757
1052868428
112792a918
12158571a4
13ac50bc2
147042cc4
154994abd
hex326b54c

52868428 has 12 divisors (see below), whose sum is σ = 92572200. Its totient is φ = 26419232.

The previous prime is 52868407. The next prime is 52868441. The reversal of 52868428 is 82486825.

52868428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9048 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (7714350).

Almost surely, 252868428 is an apocalyptic number.

It is an amenable number.

52868428 is a deficient number, since it is larger than the sum of its proper divisors (39703772).

52868428 is a wasteful number, since it uses less digits than its factorization.

52868428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496 (or 7494 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 52868428 is about 7271.0678720529. The cubic root of 52868428 is about 375.3174863898.

It can be divided in two parts, 52 and 868428, that multiplied together give a triangular number (45158256 = T9503).

The spelling of 52868428 in words is "fifty-two million, eight hundred sixty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 2843 4649 5686 9298 11372 18596 13217107 26434214 52868428