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4242160520 = 2351310776243
BaseRepresentation
bin1111110011011010…
…0011101110001000
3101221122101002020022
43330312203232020
532141443114040
61540540120012
7210060524633
oct37466435610
911848332208
104242160520
111887652a94
129a4836008
13527b4aa70
142c358cc1a
1519c65b6b5
hexfcda3b88

4242160520 has 64 divisors (see below), whose sum is σ = 10375283520. Its totient is φ = 1551677184.

The previous prime is 4242160493. The next prime is 4242160537. The reversal of 4242160520 is 250612424.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 4242160520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17519 + ... + 93761.

It is an arithmetic number, because the mean of its divisors is an integer number (162113805).

Almost surely, 24242160520 is an apocalyptic number.

4242160520 is a gapful number since it is divisible by the number (40) 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 4242160520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5187641760).

4242160520 is an abundant number, since it is smaller than the sum of its proper divisors (6133123000).

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

4242160520 is a wasteful number, since it uses less digits than its factorization.

4242160520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76374 (or 76370 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4242160520 is about 65131.8702326288. The cubic root of 4242160520 is about 1618.8093318742.

Adding to 4242160520 its reverse (250612424), we get a palindrome (4492772944).

The spelling of 4242160520 in words is "four billion, two hundred forty-two million, one hundred sixty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 107 130 214 260 428 520 535 856 1070 1391 2140 2782 4280 5564 6955 11128 13910 27820 55640 76243 152486 304972 381215 609944 762430 991159 1524860 1982318 3049720 3964636 4955795 7929272 8158001 9911590 16316002 19823180 32632004 39646360 40790005 65264008 81580010 106054013 163160020 212108026 326320040 424216052 530270065 848432104 1060540130 2121080260 4242160520