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807342080 = 212579499
BaseRepresentation
bin110000000111110…
…001000000000000
32002021011020010112
4300013301000000
53123134421310
6212040050452
726002202666
oct6007610000
92067136115
10807342080
113847a6066
121a6463a28
13cb353a0c
147931ac36
154ad27705
hex301f1000

807342080 has 104 divisors (see below), whose sum is σ = 1965840000. Its totient is φ = 318210048.

The previous prime is 807342073. The next prime is 807342101. The reversal of 807342080 is 80243708.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617671 + ... + 1618169.

Almost surely, 2807342080 is an apocalyptic number.

807342080 is a gapful number since it is divisible by the number (80) 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 807342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982920000).

807342080 is an abundant number, since it is smaller than the sum of its proper divisors (1158497920).

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

807342080 is an equidigital number, since it uses as much as digits as its factorization.

807342080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 807342080 is about 28413.7656779245. The cubic root of 807342080 is about 931.1490326100.

Adding to 807342080 its reverse (80243708), we get a palindrome (887585788).

The spelling of 807342080 in words is "eight hundred seven million, three hundred forty-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 79 80 128 158 160 256 316 320 395 499 512 632 640 790 998 1024 1264 1280 1580 1996 2048 2495 2528 2560 3160 3992 4096 4990 5056 5120 6320 7984 9980 10112 10240 12640 15968 19960 20224 20480 25280 31936 39421 39920 40448 50560 63872 78842 79840 80896 101120 127744 157684 159680 161792 197105 202240 255488 315368 319360 323584 394210 404480 510976 630736 638720 788420 808960 1021952 1261472 1277440 1576840 1617920 2043904 2522944 2554880 3153680 5045888 5109760 6307360 10091776 10219520 12614720 20183552 25229440 40367104 50458880 80734208 100917760 161468416 201835520 403671040 807342080