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52423578 = 2332342209
BaseRepresentation
bin1100011111111…
…0101110011010
310122122101122000
43013332232122
5101410023303
65111341430
71204410264
oct307765632
9118571560
1052423578
1127656679
1215681876
13ab2658c
146d68b34
154907da3
hex31feb9a

52423578 has 32 divisors (see below), whose sum is σ = 121564800. Its totient is φ = 16714368.

The previous prime is 52423523. The next prime is 52423621. The reversal of 52423578 is 87532425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19863 + ... + 22346.

It is an arithmetic number, because the mean of its divisors is an integer number (3798900).

Almost surely, 252423578 is an apocalyptic number.

52423578 is an abundant number, since it is smaller than the sum of its proper divisors (69141222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52423578 is a wasteful number, since it uses less digits than its factorization.

52423578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42243 (or 42237 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 52423578 is about 7240.4128335337. The cubic root of 52423578 is about 374.2618439551.

The spelling of 52423578 in words is "fifty-two million, four hundred twenty-three thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 42209 84418 126627 253254 379881 759762 970807 1139643 1941614 2279286 2912421 5824842 8737263 17474526 26211789 52423578