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80801340 = 223517372141
BaseRepresentation
bin1001101000011…
…10111000111100
312122001010121020
410310032320330
5131141120330
612003504140
72000541264
oct464167074
9178033536
1080801340
1141679274
1223088050
1313981059
14aa347a4
157161210
hex4d0ee3c

80801340 has 96 divisors (see below), whose sum is σ = 246141504. Its totient is φ = 19722240.

The previous prime is 80801339. The next prime is 80801353. The reversal of 80801340 is 4310808.

It is a self number, because there is not a number n which added to its sum of digits gives 80801340.

It is a congruent number.

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, 36670 + ... + 38810.

It is an arithmetic number, because the mean of its divisors is an integer number (2563974).

Almost surely, 280801340 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 80801340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123070752).

80801340 is an abundant number, since it is smaller than the sum of its proper divisors (165340164).

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

80801340 is a wasteful number, since it uses less digits than its factorization.

80801340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 80801340 is about 8988.9565579104. The cubic root of 80801340 is about 432.3208564551.

The spelling of 80801340 in words is "eighty million, eight hundred one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 37 51 60 68 74 85 102 111 148 170 185 204 222 255 340 370 444 510 555 629 740 1020 1110 1258 1887 2141 2220 2516 3145 3774 4282 6290 6423 7548 8564 9435 10705 12580 12846 18870 21410 25692 32115 36397 37740 42820 64230 72794 79217 109191 128460 145588 158434 181985 218382 237651 316868 363970 396085 436764 475302 545955 727940 792170 950604 1091910 1188255 1346689 1584340 2183820 2376510 2693378 4040067 4753020 5386756 6733445 8080134 13466890 16160268 20200335 26933780 40400670 80801340