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52223969 = 710173867
BaseRepresentation
bin1100011100110…
…1111111100001
310122021020211002
43013031333201
5101332131334
65103201345
71202616320
oct307157741
9118236732
1052223969
112752a706
12155a6255
13aa86775
146d160b7
1548b8b7e
hex31cdfe1

52223969 has 8 divisors (see below), whose sum is σ = 60276288. Its totient is φ = 44319600.

The previous prime is 52223957. The next prime is 52223993. The reversal of 52223969 is 96932225.

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

It is a cyclic number.

It is not a de Polignac number, because 52223969 - 28 = 52223713 is a prime.

It is a super-2 number, since 2×522239692 = 5454685876225922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52223939) 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, 36227 + ... + 37640.

It is an arithmetic number, because the mean of its divisors is an integer number (7534536).

Almost surely, 252223969 is an apocalyptic number.

It is an amenable number.

52223969 is a deficient number, since it is larger than the sum of its proper divisors (8052319).

52223969 is a wasteful number, since it uses less digits than its factorization.

52223969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73975.

The product of its digits is 58320, while the sum is 38.

The square root of 52223969 is about 7226.6153211583. The cubic root of 52223969 is about 373.7862243090.

The spelling of 52223969 in words is "fifty-two million, two hundred twenty-three thousand, nine hundred sixty-nine".

Divisors: 1 7 101 707 73867 517069 7460567 52223969