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52486772 = 22131009361
BaseRepresentation
bin1100100000111…
…0001001110100
310122202121022112
43020032021310
5101414034042
65112550152
71205062442
oct310161164
9118677275
1052486772
112769a0a8
12156b2358
13ab49280
146d83b92
15491b982
hex320e274

52486772 has 12 divisors (see below), whose sum is σ = 98917476. Its totient is φ = 24224640.

The previous prime is 52486747. The next prime is 52486783. The reversal of 52486772 is 27768425.

It can be written as a sum of positive squares in 2 ways, for example, as 8317456 + 44169316 = 2884^2 + 6646^2 .

It is a super-2 number, since 2×524867722 = 5509722469959968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504629 + ... + 504732.

It is an arithmetic number, because the mean of its divisors is an integer number (8243123).

Almost surely, 252486772 is an apocalyptic number.

52486772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52486772 is a deficient number, since it is larger than the sum of its proper divisors (46430704).

52486772 is a wasteful number, since it uses less digits than its factorization.

52486772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009378 (or 1009376 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 52486772 is about 7244.7754968667. The cubic root of 52486772 is about 374.4121682101.

The spelling of 52486772 in words is "fifty-two million, four hundred eighty-six thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 26 52 1009361 2018722 4037444 13121693 26243386 52486772