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248396429 = 376713417
BaseRepresentation
bin11101100111000…
…11101010001101
3122022101211211202
432303203222031
51002042141204
640351555245
76104222561
oct1663435215
9568354752
10248396429
11118238a06
126b22bb25
133c600848
1424dbd6a1
1516c18e1e
hexece3a8d

248396429 has 4 divisors (see below), whose sum is σ = 255109884. Its totient is φ = 241682976.

The previous prime is 248396417. The next prime is 248396437. The reversal of 248396429 is 924693842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924693842 = 2462346921.

It can be written as a sum of positive squares in 2 ways, for example, as 209583529 + 38812900 = 14477^2 + 6230^2 .

It is a cyclic number.

It is not a de Polignac number, because 248396429 - 28 = 248396173 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 (248395429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3356672 + ... + 3356745.

It is an arithmetic number, because the mean of its divisors is an integer number (63777471).

Almost surely, 2248396429 is an apocalyptic number.

It is an amenable number.

248396429 is a deficient number, since it is larger than the sum of its proper divisors (6713455).

248396429 is an equidigital number, since it uses as much as digits as its factorization.

248396429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713454.

The product of its digits is 746496, while the sum is 47.

The square root of 248396429 is about 15760.5973554304. The cubic root of 248396429 is about 628.6107195702.

The spelling of 248396429 in words is "two hundred forty-eight million, three hundred ninety-six thousand, four hundred twenty-nine".

Divisors: 1 37 6713417 248396429