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52243445 = 5193789167
BaseRepresentation
bin1100011101001…
…0101111110101
310122022020112102
43013102233311
5101333242240
65103431445
71203030152
oct307225765
9118266472
1052243445
1127543301
12155b5585
13aa925a7
146d1d229
1548be815
hex31d2bf5

52243445 has 32 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 37863936.

The previous prime is 52243441. The next prime is 52243447. The reversal of 52243445 is 54434225.

It is a cyclic number.

It is not a de Polignac number, because 52243445 - 22 = 52243441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312752 + ... + 312918.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 252243445 is an apocalyptic number.

It is an amenable number.

52243445 is a deficient number, since it is larger than the sum of its proper divisors (16703755).

52243445 is a wasteful number, since it uses less digits than its factorization.

52243445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its digits is 19200, while the sum is 29.

The square root of 52243445 is about 7227.9627143477. The cubic root of 52243445 is about 373.8326841745.

The spelling of 52243445 in words is "fifty-two million, two hundred forty-three thousand, four hundred forty-five".

Divisors: 1 5 19 37 89 95 167 185 445 703 835 1691 3173 3293 3515 6179 8455 14863 15865 16465 30895 62567 74315 117401 282397 312835 549931 587005 1411985 2749655 10448689 52243445