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52928979 = 323375721
BaseRepresentation
bin1100100111101…
…0000111010011
310200121001220120
43021322013103
5102022211404
65130241323
71211613615
oct311720723
9120531816
1052928979
1127971364
1215886243
13ac7262c
14705adb5
1549a79d9
hex327a1d3

52928979 has 8 divisors (see below), whose sum is σ = 70875792. Its totient is φ = 35134080.

The previous prime is 52928971. The next prime is 52928987. The reversal of 52928979 is 97982925.

It is an interprime number because it is at equal distance from previous prime (52928971) and next prime (52928987).

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

It is not a de Polignac number, because 52928979 - 23 = 52928971 is a prime.

It is a super-4 number, since 4×529289794 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (52928971) 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, 37162 + ... + 38559.

It is an arithmetic number, because the mean of its divisors is an integer number (8859474).

Almost surely, 252928979 is an apocalyptic number.

52928979 is a deficient number, since it is larger than the sum of its proper divisors (17946813).

52928979 is a wasteful number, since it uses less digits than its factorization.

52928979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75957.

The product of its digits is 816480, while the sum is 51.

The square root of 52928979 is about 7275.2305118120. The cubic root of 52928979 is about 375.4607172959.

The spelling of 52928979 in words is "fifty-two million, nine hundred twenty-eight thousand, nine hundred seventy-nine".

Divisors: 1 3 233 699 75721 227163 17642993 52928979