Search a number
-
+
52287797 = 611078011
BaseRepresentation
bin1100011101110…
…1100100110101
310122101111101002
43013131210311
5101341202142
65104413045
71203303362
oct307354465
9118344332
1052287797
1127573661
1215617185
13aaa9833
146d31469
1548cca32
hex31dd935

52287797 has 8 divisors (see below), whose sum is σ = 53648352. Its totient is φ = 50943600.

The previous prime is 52287773. The next prime is 52287803. The reversal of 52287797 is 79778225.

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

It is a cyclic number.

It is not a de Polignac number, because 52287797 - 28 = 52287541 is a prime.

It is a super-2 number, since 2×522877972 = 5468027430226418, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52287707) 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, 2522 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (6706044).

Almost surely, 252287797 is an apocalyptic number.

It is an amenable number.

52287797 is a deficient number, since it is larger than the sum of its proper divisors (1360555).

52287797 is a wasteful number, since it uses less digits than its factorization.

52287797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179.

The product of its digits is 493920, while the sum is 47.

The square root of 52287797 is about 7231.0301479112. The cubic root of 52287797 is about 373.9384424981.

The spelling of 52287797 in words is "fifty-two million, two hundred eighty-seven thousand, seven hundred ninety-seven".

Divisors: 1 61 107 6527 8011 488671 857177 52287797