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614143242 = 23337615039
BaseRepresentation
bin100100100110110…
…001010100001010
31120210121201011000
4210212301110022
52224210040432
6140535115430
721135063036
oct4446612412
91523551130
10614143242
112957389a9
12151812b76
139a30b28b
145b7c91c6
1538db357c
hex249b150a

614143242 has 64 divisors (see below), whose sum is σ = 1424908800. Its totient is φ = 195877440.

The previous prime is 614143199. The next prime is 614143261. The reversal of 614143242 is 242341416.

It is a happy number.

614143242 is a `hidden beast` number, since 6 + 1 + 414 + 3 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119359 + ... + 124397.

It is an arithmetic number, because the mean of its divisors is an integer number (22264200).

Almost surely, 2614143242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 614143242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712454400).

614143242 is an abundant number, since it is smaller than the sum of its proper divisors (810765558).

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

614143242 is a wasteful number, since it uses less digits than its factorization.

614143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5142 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 614143242 is about 24781.9136064994. The cubic root of 614143242 is about 850.0084160643.

Adding to 614143242 its reverse (242341416), we get a palindrome (856484658).

The spelling of 614143242 in words is "six hundred fourteen million, one hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 37 54 61 74 111 122 183 222 333 366 549 666 999 1098 1647 1998 2257 3294 4514 5039 6771 10078 13542 15117 20313 30234 40626 45351 60939 90702 121878 136053 186443 272106 307379 372886 559329 614758 922137 1118658 1677987 1844274 2766411 3355974 5033961 5532822 8299233 10067922 11373023 16598466 22746046 34119069 68238138 102357207 204714414 307071621 614143242