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331422253 = 697147543
BaseRepresentation
bin10011110000010…
…001101000101101
3212002121222212021
4103300101220231
51134321003003
652515310141
711133020431
oct2360215055
9762558767
10331422253
11160096498
1292bab351
1353880256
14320329c1
151e1692bd
hex13c11a2d

331422253 has 4 divisors (see below), whose sum is σ = 331476768. Its totient is φ = 331367740.

The previous prime is 331422251. The next prime is 331422269. The reversal of 331422253 is 352224133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331422253 - 21 = 331422251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331422251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16801 + ... + 30742.

It is an arithmetic number, because the mean of its divisors is an integer number (82869192).

Almost surely, 2331422253 is an apocalyptic number.

It is an amenable number.

331422253 is a deficient number, since it is larger than the sum of its proper divisors (54515).

331422253 is an equidigital number, since it uses as much as digits as its factorization.

331422253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54514.

The product of its digits is 4320, while the sum is 25.

The square root of 331422253 is about 18205.0062620149. The cubic root of 331422253 is about 692.0336648451.

Adding to 331422253 its reverse (352224133), we get a palindrome (683646386).

The spelling of 331422253 in words is "three hundred thirty-one million, four hundred twenty-two thousand, two hundred fifty-three".

Divisors: 1 6971 47543 331422253