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19130700 = 22352431483
BaseRepresentation
bin100100011111…
…0100101001100
31022222221101110
41020332211030
514344140300
61522012020
7321415431
oct110764514
938887343
1019130700
11a8871a6
1264a7010
133c6a854
14277db88
151a2d550
hex123e94c

19130700 has 72 divisors (see below), whose sum is σ = 56676928. Its totient is φ = 4979520.

The previous prime is 19130693. The next prime is 19130707. The reversal of 19130700 is 703191.

It is an interprime number because it is at equal distance from previous prime (19130693) and next prime (19130707).

It is not an unprimeable number, because it can be changed into a prime (19130707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12159 + ... + 13641.

Almost surely, 219130700 is an apocalyptic number.

19130700 is a gapful number since it is divisible by the number (10) 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 19130700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28338464).

19130700 is an abundant number, since it is smaller than the sum of its proper divisors (37546228).

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

19130700 is a wasteful number, since it uses less digits than its factorization.

19130700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 19130700 is about 4373.8655672071. The cubic root of 19130700 is about 267.4506270422.

Adding to 19130700 its reverse (703191), we get a palindrome (19833891).

The spelling of 19130700 in words is "nineteen million, one hundred thirty thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 43 50 60 75 86 100 129 150 172 215 258 300 430 516 645 860 1075 1290 1483 2150 2580 2966 3225 4300 4449 5932 6450 7415 8898 12900 14830 17796 22245 29660 37075 44490 63769 74150 88980 111225 127538 148300 191307 222450 255076 318845 382614 444900 637690 765228 956535 1275380 1594225 1913070 3188450 3826140 4782675 6376900 9565350 19130700