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244406620 = 225176710729
BaseRepresentation
bin11101001000101…
…01100101011100
3122000220010212001
432210111211130
51000032002440
640130252044
76025264513
oct1644254534
9560803761
10244406620
11115a63347
1269a27024
133b834803
142466167a
15166cbb9a
hexe91595c

244406620 has 48 divisors (see below), whose sum is σ = 551607840. Its totient is φ = 90630144.

The previous prime is 244406611. The next prime is 244406621. The reversal of 244406620 is 26604442.

244406620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244406621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17416 + ... + 28144.

It is an arithmetic number, because the mean of its divisors is an integer number (11491830).

Almost surely, 2244406620 is an apocalyptic number.

244406620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244406620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275803920).

244406620 is an abundant number, since it is smaller than the sum of its proper divisors (307201220).

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

244406620 is a wasteful number, since it uses less digits than its factorization.

244406620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822 (or 10820 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 244406620 is about 15633.5095228167. The cubic root of 244406620 is about 625.2269000162.

The spelling of 244406620 in words is "two hundred forty-four million, four hundred six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 67 68 85 134 170 268 335 340 670 1139 1340 2278 4556 5695 10729 11390 21458 22780 42916 53645 107290 182393 214580 364786 718843 729572 911965 1437686 1823930 2875372 3594215 3647860 7188430 12220331 14376860 24440662 48881324 61101655 122203310 244406620