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244057129 = 1631497283
BaseRepresentation
bin11101000110000…
…00010000101001
3122000020101102221
432203000100221
5444434312004
640114554041
76022310551
oct1643002051
9560211387
10244057129
11115844808
1269898921
133b741704
14245b0161
151665d354
hexe8c0429

244057129 has 4 divisors (see below), whose sum is σ = 245554576. Its totient is φ = 242559684.

The previous prime is 244057111. The next prime is 244057139. The reversal of 244057129 is 921750442.

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 244057129 - 219 = 243532841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244057094 and 244057103.

It is not an unprimeable number, because it can be changed into a prime (244057139) 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, 748479 + ... + 748804.

It is an arithmetic number, because the mean of its divisors is an integer number (61388644).

Almost surely, 2244057129 is an apocalyptic number.

It is an amenable number.

244057129 is a deficient number, since it is larger than the sum of its proper divisors (1497447).

244057129 is a wasteful number, since it uses less digits than its factorization.

244057129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497446.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 244057129 is about 15622.3278995161. The cubic root of 244057129 is about 624.9287419560.

The spelling of 244057129 in words is "two hundred forty-four million, fifty-seven thousand, one hundred twenty-nine".

Divisors: 1 163 1497283 244057129