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52798772 = 22131015361
BaseRepresentation
bin1100100101101…
…0010100110100
310200100110022002
43021122110310
5102004030042
65123354432
71210532165
oct311322464
9120313262
1052798772
1127892554
1215822a18
13ac282a0
14702576c
15497e132
hex325a534

52798772 has 12 divisors (see below), whose sum is σ = 99505476. Its totient is φ = 24368640.

The previous prime is 52798769. The next prime is 52798789. The reversal of 52798772 is 27789725.

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 48497296 = 2074^2 + 6964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507629 + ... + 507732.

It is an arithmetic number, because the mean of its divisors is an integer number (8292123).

Almost surely, 252798772 is an apocalyptic number.

52798772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52798772 is a deficient number, since it is larger than the sum of its proper divisors (46706704).

52798772 is a wasteful number, since it uses less digits than its factorization.

52798772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015378 (or 1015376 counting only the distinct ones).

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

The square root of 52798772 is about 7266.2763503737. The cubic root of 52798772 is about 375.1525826484.

It can be divided in two parts, 527 and 98772, that added together give a palindrome (99299).

The spelling of 52798772 in words is "fifty-two million, seven hundred ninety-eight thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 26 52 1015361 2030722 4061444 13199693 26399386 52798772