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244356690 = 2358145223
BaseRepresentation
bin11101001000010…
…01011001010010
3122000210121100210
432210021121102
51000023403230
640125224550
76024666114
oct1644113122
9560717323
10244356690
11115a29886
1269a02156
133b817b76
142464b3b4
15166bbeb0
hexe909652

244356690 has 16 divisors (see below), whose sum is σ = 586456128. Its totient is φ = 65161776.

The previous prime is 244356689. The next prime is 244356703. The reversal of 244356690 is 96653442.

It is a super-2 number, since 2×2443566902 = 119420383895512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072582 + ... + 4072641.

It is an arithmetic number, because the mean of its divisors is an integer number (36653508).

Almost surely, 2244356690 is an apocalyptic number.

244356690 is an abundant number, since it is smaller than the sum of its proper divisors (342099438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244356690 is a wasteful number, since it uses less digits than its factorization.

244356690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145233.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 244356690 is about 15631.9125509325. The cubic root of 244356690 is about 625.1843211025.

It can be divided in two parts, 24435 and 6690, that added together give a triangular number (31125 = T249).

The spelling of 244356690 in words is "two hundred forty-four million, three hundred fifty-six thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 8145223 16290446 24435669 40726115 48871338 81452230 122178345 244356690