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52302258 = 23247211293
BaseRepresentation
bin1100011110000…
…1000110110010
310122102020012200
43013201012302
5101342133013
65105004030
71203363501
oct307410662
9118366180
1052302258
1127583508
1215623616
13aab32a8
146d36838
1548d1e73
hex31e11b2

52302258 has 48 divisors (see below), whose sum is σ = 116678016. Its totient is φ = 16924320.

The previous prime is 52302247. The next prime is 52302259. The reversal of 52302258 is 85220325.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52302259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178360 + ... + 178652.

It is an arithmetic number, because the mean of its divisors is an integer number (2430792).

Almost surely, 252302258 is an apocalyptic number.

52302258 is an abundant number, since it is smaller than the sum of its proper divisors (64375758).

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

52302258 is a wasteful number, since it uses less digits than its factorization.

52302258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52302258 is about 7232.0300054687. The cubic root of 52302258 is about 373.9729121430.

The spelling of 52302258 in words is "fifty-two million, three hundred two thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 47 94 141 211 282 293 422 423 586 633 846 879 1266 1758 1899 2637 3798 5274 9917 13771 19834 27542 29751 41313 59502 61823 82626 89253 123646 123939 178506 185469 247878 370938 556407 1112814 2905681 5811362 8717043 17434086 26151129 52302258