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52209367 = 729257189
BaseRepresentation
bin1100011100101…
…0011011010111
310122020111210021
43013022123113
5101331144432
65103010011
71202525620
oct307123327
9118214707
1052209367
112751a741
1215599907
13aa7cc22
146d10a47
1548b4697
hex31ca6d7

52209367 has 8 divisors (see below), whose sum is σ = 61725600. Its totient is φ = 43207584.

The previous prime is 52209349. The next prime is 52209371. The reversal of 52209367 is 76390225.

It is a happy number.

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

It is not a de Polignac number, because 52209367 - 215 = 52176599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52209347) 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, 128392 + ... + 128797.

It is an arithmetic number, because the mean of its divisors is an integer number (7715700).

Almost surely, 252209367 is an apocalyptic number.

52209367 is a deficient number, since it is larger than the sum of its proper divisors (9516233).

52209367 is a wasteful number, since it uses less digits than its factorization.

52209367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257225.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 52209367 is about 7225.6049573721. The cubic root of 52209367 is about 373.7513837602.

The spelling of 52209367 in words is "fifty-two million, two hundred nine thousand, three hundred sixty-seven".

Divisors: 1 7 29 203 257189 1800323 7458481 52209367