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253343425 = 5270914293
BaseRepresentation
bin11110001100110…
…11011011000001
3122122201011211211
433012123123001
51004323442200
641050010121
76164245366
oct1706333301
9578634754
10253343425
11120007735
1270a16941
134064346a
142590a46d
1517394aba
hexf19b6c1

253343425 has 12 divisors (see below), whose sum is σ = 314610940. Its totient is φ = 202374720.

The previous prime is 253343411. The next prime is 253343437. The reversal of 253343425 is 524343352.

It can be written as a sum of positive squares in 6 ways, for example, as 107827456 + 145515969 = 10384^2 + 12063^2 .

It is a de Polignac number, because none of the positive numbers 2k-253343425 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10579 + ... + 24871.

Almost surely, 2253343425 is an apocalyptic number.

253343425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253343425 is a deficient number, since it is larger than the sum of its proper divisors (61267515).

253343425 is a wasteful number, since it uses less digits than its factorization.

253343425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012 (or 15007 counting only the distinct ones).

The product of its digits is 43200, while the sum is 31.

The square root of 253343425 is about 15916.7655319792. The cubic root of 253343425 is about 632.7563990402.

Adding to 253343425 its reverse (524343352), we get a palindrome (777686777).

The spelling of 253343425 in words is "two hundred fifty-three million, three hundred forty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 709 3545 14293 17725 71465 357325 10133737 50668685 253343425