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38586709225 = 5217223112
BaseRepresentation
bin100011111011111100…
…100111010011101001
310200121011200221000201
4203323330213103221
51113011144143400
625420531032201
72534133421351
oct437374472351
9120534627021
1038586709225
1115401211839
12758a73b661
13383c32c42c
141c209d9b61
15100c8b906a
hex8fbf274e9

38586709225 has 27 divisors (see below), whose sum is σ = 50849645061. Its totient is φ = 29040950400.

The previous prime is 38586709171. The next prime is 38586709241. The reversal of 38586709225 is 52290768583.

The square root of 38586709225 is 196435.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 902581849 + 37684127376 = 30043^2 + 194124^2 .

It is not a de Polignac number, because 38586709225 - 27 = 38586709097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16695820 + ... + 16698130.

Almost surely, 238586709225 is an apocalyptic number.

38586709225 is the 196435-th square number.

38586709225 is the 98218-th centered octagonal number.

It is an amenable number.

38586709225 is a deficient number, since it is larger than the sum of its proper divisors (12262935836).

38586709225 is an frugal number, since it uses more digits than its factorization.

38586709225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 38586709225 in words is "thirty-eight billion, five hundred eighty-six million, seven hundred nine thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 289 425 1445 2311 7225 11555 39287 57775 196435 667879 982175 3339395 5340721 16696975 26703605 90792257 133518025 453961285 1543468369 2269806425 7717341845 38586709225