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52270407 = 337239509
BaseRepresentation
bin1100011101100…
…1010101000111
310122100121112000
43013121111013
5101340123112
65104200343
71203201600
oct307312507
9118317460
1052270407
1127561592
12156090b3
13aaa1947
146d28da7
1548c77dc
hex31d9547

52270407 has 24 divisors (see below), whose sum is σ = 90082800. Its totient is φ = 29868048.

The previous prime is 52270403. The next prime is 52270417. The reversal of 52270407 is 70407225.

It is not a de Polignac number, because 52270407 - 22 = 52270403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270403) 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, 18432 + ... + 21077.

It is an arithmetic number, because the mean of its divisors is an integer number (3753450).

Almost surely, 252270407 is an apocalyptic number.

52270407 is a deficient number, since it is larger than the sum of its proper divisors (37812393).

52270407 is a wasteful number, since it uses less digits than its factorization.

52270407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39532 (or 39519 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52270407 is about 7229.8275913053. The cubic root of 52270407 is about 373.8969827891.

The spelling of 52270407 in words is "fifty-two million, two hundred seventy thousand, four hundred seven".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 39509 118527 276563 355581 829689 1066743 1935941 2489067 5807823 7467201 17423469 52270407