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79209052 = 22131789603
BaseRepresentation
bin1001011100010…
…10001001011100
312112001020101121
410232022021130
5130234142202
611505420324
71651160116
oct456121134
9175036347
1079209052
1140790a2a
122263a6a4
1313544380
14a73c3b6
156e49537
hex4b8a25c

79209052 has 24 divisors (see below), whose sum is σ = 158061456. Its totient is φ = 34407168.

The previous prime is 79209047. The next prime is 79209059. The reversal of 79209052 is 25090297.

It is a super-3 number, since 3×792090523 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 79208999 and 79209017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79209059) 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, 43918 + ... + 45685.

It is an arithmetic number, because the mean of its divisors is an integer number (6585894).

Almost surely, 279209052 is an apocalyptic number.

It is an amenable number.

79209052 is a deficient number, since it is larger than the sum of its proper divisors (78852404).

79209052 is a wasteful number, since it uses less digits than its factorization.

79209052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89637 (or 89635 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 79209052 is about 8899.9467414137. The cubic root of 79209052 is about 429.4621940546.

The spelling of 79209052 in words is "seventy-nine million, two hundred nine thousand, fifty-two".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 89603 179206 358412 1164839 1523251 2329678 3046502 4659356 6093004 19802263 39604526 79209052