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253231414 = 2126615707
BaseRepresentation
bin11110001100000…
…00000100110110
3122122111111012021
433012000010312
51004311401124
641043343354
76163301002
oct1706000466
9578444167
10253231414
1111aa40567
1270981b5a
1340604497
14258bb702
15173717e4
hexf180136

253231414 has 4 divisors (see below), whose sum is σ = 379847124. Its totient is φ = 126615706.

The previous prime is 253231409. The next prime is 253231417. The reversal of 253231414 is 414132352.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2532314142 = 128252298072878792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253231417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63307852 + ... + 63307855.

It is an arithmetic number, because the mean of its divisors is an integer number (94961781).

Almost surely, 2253231414 is an apocalyptic number.

253231414 is a deficient number, since it is larger than the sum of its proper divisors (126615710).

253231414 is a wasteful number, since it uses less digits than its factorization.

253231414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126615709.

The product of its digits is 2880, while the sum is 25.

The square root of 253231414 is about 15913.2464946660. The cubic root of 253231414 is about 632.6631315384.

Adding to 253231414 its reverse (414132352), we get a palindrome (667363766).

The spelling of 253231414 in words is "two hundred fifty-three million, two hundred thirty-one thousand, four hundred fourteen".

Divisors: 1 2 126615707 253231414