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4029430780 = 2251749124137
BaseRepresentation
bin1111000000101100…
…0011101111111100
3101101211002021220001
43300023003233330
531223013241110
61503500404044
7201565411414
oct36013035774
911354067801
104029430780
111788565a91
12945546624
134c2a5758b
142a3215644
15188b3a63a
hexf02c3bfc

4029430780 has 48 divisors (see below), whose sum is σ = 8978177376. Its totient is φ = 1513809920.

The previous prime is 4029430771. The next prime is 4029430807. The reversal of 4029430780 is 870349204.

It is a happy number.

It is a super-2 number, since 2×40294307802 = 32472624821622816800, which contains 22 as substring.

It is a congruent number.

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, 154872 + ... + 179008.

It is an arithmetic number, because the mean of its divisors is an integer number (187045362).

Almost surely, 24029430780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4029430780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4489088688).

4029430780 is an abundant number, since it is smaller than the sum of its proper divisors (4948746596).

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

4029430780 is a wasteful number, since it uses less digits than its factorization.

4029430780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24654 (or 24652 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 4029430780 is about 63477.7975358314. The cubic root of 4029430780 is about 1591.2847467322.

Adding to 4029430780 its reverse (870349204), we get a palindrome (4899779984).

The spelling of 4029430780 in words is "four billion, twenty-nine million, four hundred thirty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 491 982 1964 2455 4910 8347 9820 16694 24137 33388 41735 48274 83470 96548 120685 166940 241370 410329 482740 820658 1641316 2051645 4103290 8206580 11851267 23702534 47405068 59256335 118512670 201471539 237025340 402943078 805886156 1007357695 2014715390 4029430780