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52219701 = 331934063
BaseRepresentation
bin1100011100110…
…0111100110101
310122021000222000
43013030330311
5101332012301
65103125513
71202601012
oct307147465
9118230860
1052219701
1127527486
12155a3899
13aa84841
146d14709
1548b7786
hex31ccf35

52219701 has 8 divisors (see below), whose sum is σ = 77362560. Its totient is φ = 34813116.

The previous prime is 52219697. The next prime is 52219703. The reversal of 52219701 is 10791225.

It is not a de Polignac number, because 52219701 - 22 = 52219697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1934063 = 52219701 / (5 + 2 + 2 + 1 + 9 + 7 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52219703) 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, 967005 + ... + 967058.

It is an arithmetic number, because the mean of its divisors is an integer number (9670320).

Almost surely, 252219701 is an apocalyptic number.

It is an amenable number.

52219701 is a deficient number, since it is larger than the sum of its proper divisors (25142859).

52219701 is a wasteful number, since it uses less digits than its factorization.

52219701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934072 (or 1934066 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 52219701 is about 7226.3200178237. The cubic root of 52219701 is about 373.7760414810.

The spelling of 52219701 in words is "fifty-two million, two hundred nineteen thousand, seven hundred one".

Divisors: 1 3 9 27 1934063 5802189 17406567 52219701