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52551149 = 722932783
BaseRepresentation
bin1100100001110…
…1110111101101
310122212212121212
43020131313231
5101423114044
65114204205
71205451230
oct310356755
9118785555
1052551149
1127733502
1215723665
13ab6c671
146d9d417
154930a9e
hex321dded

52551149 has 8 divisors (see below), whose sum is σ = 60322560. Its totient is φ = 44845776.

The previous prime is 52551091. The next prime is 52551151. The reversal of 52551149 is 94115525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52551149 is a prime.

It is a super-2 number, since 2×525511492 = 5523246522440402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52551179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14789 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (7540320).

Almost surely, 252551149 is an apocalyptic number.

It is an amenable number.

52551149 is a deficient number, since it is larger than the sum of its proper divisors (7771411).

52551149 is a wasteful number, since it uses less digits than its factorization.

52551149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33019.

The product of its digits is 9000, while the sum is 32.

The square root of 52551149 is about 7249.2171301458. The cubic root of 52551149 is about 374.5651825368.

The spelling of 52551149 in words is "fifty-two million, five hundred fifty-one thousand, one hundred forty-nine".

Divisors: 1 7 229 1603 32783 229481 7507307 52551149