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2104432040 = 235174371971
BaseRepresentation
bin111110101101111…
…0001010110101000
312102122212020001102
41331123301112220
513302213311130
6544453140532
7103102243244
oct17533612650
95378766042
102104432040
1198a995a37
124a892a748
13276cb0279
1415d6c1424
15c4b40645
hex7d6f15a8

2104432040 has 64 divisors (see below), whose sum is σ = 5130164160. Its totient is φ = 773821440.

The previous prime is 2104432021. The next prime is 2104432069. The reversal of 2104432040 is 402344012.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 6746 + ... + 65225.

It is an arithmetic number, because the mean of its divisors is an integer number (80158815).

Almost surely, 22104432040 is an apocalyptic number.

2104432040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104432040 is an abundant number, since it is smaller than the sum of its proper divisors (3025732120).

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

2104432040 is a wasteful number, since it uses less digits than its factorization.

2104432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72042 (or 72038 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2104432040 is about 45874.0889827798. The cubic root of 2104432040 is about 1281.4794173680.

Adding to 2104432040 its reverse (402344012), we get a palindrome (2506776052).

The spelling of 2104432040 in words is "two billion, one hundred four million, four hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 43 68 85 86 136 170 172 215 340 344 430 680 731 860 1462 1720 2924 3655 5848 7310 14620 29240 71971 143942 287884 359855 575768 719710 1223507 1439420 2447014 2878840 3094753 4894028 6117535 6189506 9788056 12235070 12379012 15473765 24470140 24758024 30947530 48940280 52610801 61895060 105221602 123790120 210443204 263054005 420886408 526108010 1052216020 2104432040