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244702019 = 1181207199
BaseRepresentation
bin11101001010111…
…01101101000011
3122001110011001202
432211131231003
51000120431034
640140451415
76030634652
oct1645355503
9561404052
10244702019
11116145281
1269b49b6b
133b9090c3
14246db199
151673947e
hexe95db43

244702019 has 4 divisors (see below), whose sum is σ = 244910400. Its totient is φ = 244493640.

The previous prime is 244702013. The next prime is 244702033. The reversal of 244702019 is 910207442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910207442 = 2455103721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244702019 is a prime.

It is a super-2 number, since 2×2447020192 = 119758156205352722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244701982 and 244702000.

It is not an unprimeable number, because it can be changed into a prime (244702013) 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, 102419 + ... + 104780.

It is an arithmetic number, because the mean of its divisors is an integer number (61227600).

Almost surely, 2244702019 is an apocalyptic number.

244702019 is a deficient number, since it is larger than the sum of its proper divisors (208381).

244702019 is a wasteful number, since it uses less digits than its factorization.

244702019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208380.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 244702019 is about 15642.9542925881. The cubic root of 244702019 is about 625.4786894899.

The spelling of 244702019 in words is "two hundred forty-four million, seven hundred two thousand, nineteen".

Divisors: 1 1181 207199 244702019