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52979500 = 2253715137
BaseRepresentation
bin1100101000011…
…0011100101100
310200200122012201
43022012130230
5102030321000
65131311244
71212214120
oct312063454
9120618181
1052979500
11279a6312
12158ab524
13ac8c622
147071580
1549b796a
hex328672c

52979500 has 48 divisors (see below), whose sum is σ = 132245568. Its totient is φ = 18163200.

The previous prime is 52979461. The next prime is 52979501. The reversal of 52979500 is 597925.

It is a self number, because there is not a number n which added to its sum of digits gives 52979500.

It is not an unprimeable number, because it can be changed into a prime (52979501) 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, 4069 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (2755116).

Almost surely, 252979500 is an apocalyptic number.

52979500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52979500 is an abundant number, since it is smaller than the sum of its proper divisors (79266068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52979500 is a wasteful number, since it uses less digits than its factorization.

52979500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163 (or 15151 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 52979500 is about 7278.7018073280. The cubic root of 52979500 is about 375.5801390773.

The spelling of 52979500 in words is "fifty-two million, nine hundred seventy-nine thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 140 175 250 350 500 700 875 1750 3500 15137 30274 60548 75685 105959 151370 211918 302740 378425 423836 529795 756850 1059590 1513700 1892125 2119180 2648975 3784250 5297950 7568500 10595900 13244875 26489750 52979500