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386225425 = 5237417541
BaseRepresentation
bin10111000001010…
…101010100010001
3222220202021200101
4113001111110101
51242333203200
6102154052401
712366601435
oct2701252421
9886667611
10386225425
11189017973
12a941a101
136202a971
143941a9c5
1523d9226a
hex17055511

386225425 has 12 divisors (see below), whose sum is σ = 491864476. Its totient is φ = 300628800.

The previous prime is 386225423. The next prime is 386225429. The reversal of 386225425 is 524522683.

386225425 = 138962 + 138972.

It can be written as a sum of positive squares in 6 ways, for example, as 74632321 + 311593104 = 8639^2 + 17652^2 .

It is not a de Polignac number, because 386225425 - 21 = 386225423 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386225423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207846 + ... + 209695.

Almost surely, 2386225425 is an apocalyptic number.

386225425 is the 13897-th centered square number.

It is an amenable number.

386225425 is a deficient number, since it is larger than the sum of its proper divisors (105639051).

386225425 is a wasteful number, since it uses less digits than its factorization.

386225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417588 (or 417583 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 386225425 is about 19652.6187822387. The cubic root of 386225425 is about 728.2496533623.

The spelling of 386225425 in words is "three hundred eighty-six million, two hundred twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 37 185 925 417541 2087705 10438525 15449017 77245085 386225425