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344007642 = 231123259167
BaseRepresentation
bin10100100000010…
…010001111011010
3212222022101202210
4110200102033122
51201031221032
654045135550
711345005506
oct2440221732
9788271683
10344007642
11167202040
129725a5b6
1356368824
143398b306
15203032cc
hex148123da

344007642 has 96 divisors (see below), whose sum is σ = 802690560. Its totient is φ = 97435360.

The previous prime is 344007641. The next prime is 344007647. The reversal of 344007642 is 246700443.

It is not an unprimeable number, because it can be changed into a prime (344007641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2059843 + ... + 2060009.

It is an arithmetic number, because the mean of its divisors is an integer number (8361360).

Almost surely, 2344007642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344007642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401345280).

344007642 is an abundant number, since it is smaller than the sum of its proper divisors (458682918).

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

344007642 is a wasteful number, since it uses less digits than its factorization.

344007642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 344007642 is about 18547.4430043605. The cubic root of 344007642 is about 700.6848005986.

The spelling of 344007642 in words is "three hundred forty-four million, seven thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 22 23 33 46 59 66 69 118 138 167 177 253 334 354 501 506 529 649 759 1002 1058 1298 1357 1518 1587 1837 1947 2714 3174 3674 3841 3894 4071 5511 5819 7682 8142 9853 11022 11523 11638 14927 17457 19706 23046 29559 29854 31211 34914 42251 44781 59118 62422 84502 88343 89562 93633 108383 126753 176686 187266 216766 226619 253506 265029 325149 343321 453238 530058 650298 679857 686642 971773 1029963 1359714 1943546 2059926 2492809 2915319 4985618 5212237 5830638 7478427 10424474 14956854 15636711 31273422 57334607 114669214 172003821 344007642