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52243425 = 32521353337
BaseRepresentation
bin1100011101001…
…0101111100001
310122022020111200
43013102233201
5101333242200
65103431413
71203030123
oct307225741
9118266450
1052243425
1127543293
12155b5569
13aa92590
146d1d213
1548be800
hex31d2be1

52243425 has 72 divisors (see below), whose sum is σ = 102977784. Its totient is φ = 25159680.

The previous prime is 52243417. The next prime is 52243439. The reversal of 52243425 is 52434225.

52243425 = 14052 + 14062 + ... + 14302.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 23503104 + 28740321 = 4848^2 + 5361^2 .

It is not a de Polignac number, because 52243425 - 23 = 52243417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 154857 + ... + 155193.

It is an arithmetic number, because the mean of its divisors is an integer number (1430247).

Almost surely, 252243425 is an apocalyptic number.

It is an amenable number.

52243425 is a deficient number, since it is larger than the sum of its proper divisors (50734359).

52243425 is a wasteful number, since it uses less digits than its factorization.

52243425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 411 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 52243425 is about 7227.9613308318. The cubic root of 52243425 is about 373.8326364705.

It can be divided in two parts, 5224 and 3425, that added together give a square (8649 = 932).

The spelling of 52243425 in words is "fifty-two million, two hundred forty-three thousand, four hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 39 45 53 65 75 117 159 195 225 265 325 337 477 585 689 795 975 1011 1325 1685 2067 2385 2925 3033 3445 3975 4381 5055 6201 8425 10335 11925 13143 15165 17225 17861 21905 25275 31005 39429 51675 53583 65715 75825 89305 109525 155025 160749 197145 232193 267915 328575 446525 696579 803745 985725 1160965 1339575 2089737 3482895 4018725 5804825 10448685 17414475 52243425