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52672361 = 7127179331
BaseRepresentation
bin1100100011101…
…1011101101001
310200010000220012
43020323131221
5101441003421
65120541305
71206464510
oct310733551
9120100805
1052672361
1127806585
1215781835
13abb28a1
146dd1677
15495695b
hex323b769

52672361 has 16 divisors (see below), whose sum is σ = 61194240. Its totient is φ = 44407440.

The previous prime is 52672357. The next prime is 52672363. The reversal of 52672361 is 16327625.

It is not a de Polignac number, because 52672361 - 22 = 52672357 is a prime.

It is a super-2 number, since 2×526723612 = 5548755226628642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52672363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158966 + ... + 159296.

It is an arithmetic number, because the mean of its divisors is an integer number (3824640).

Almost surely, 252672361 is an apocalyptic number.

It is an amenable number.

52672361 is a deficient number, since it is larger than the sum of its proper divisors (8521879).

52672361 is a wasteful number, since it uses less digits than its factorization.

52672361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644.

The product of its digits is 15120, while the sum is 32.

The square root of 52672361 is about 7257.5726658436. The cubic root of 52672361 is about 374.8529461932.

Adding to 52672361 its reverse (16327625), we get a palindrome (68999986).

The spelling of 52672361 in words is "fifty-two million, six hundred seventy-two thousand, three hundred sixty-one".

Divisors: 1 7 127 179 331 889 1253 2317 22733 42037 59249 159131 294259 414743 7524623 52672361