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80299800 = 23325276373
BaseRepresentation
bin1001100100101…
…00011100011000
312121002122121200
410302110130120
5131024043200
611545034200
71663352130
oct462243430
9177078550
1080299800
1141366479
1222a85960
1313836999
14a943ac0
1570b2800
hex4c94718

80299800 has 144 divisors (see below), whose sum is σ = 308246640. Its totient is φ = 18351360.

The previous prime is 80299799. The next prime is 80299819. The reversal of 80299800 is 899208.

It is a super-3 number, since 3×802998003 (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9414 + ... + 15786.

Almost surely, 280299800 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 80299800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154123320).

80299800 is an abundant number, since it is smaller than the sum of its proper divisors (227946840).

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

80299800 is a wasteful number, since it uses less digits than its factorization.

80299800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402 (or 6390 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 80299800 is about 8961.0155674455. The cubic root of 80299800 is about 431.4245166393.

The spelling of 80299800 in words is "eighty million, two hundred ninety-nine thousand, eight hundred".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 40 42 45 50 56 60 63 70 72 75 84 90 100 105 120 126 140 150 168 175 180 200 210 225 252 280 300 315 350 360 420 450 504 525 600 630 700 840 900 1050 1260 1400 1575 1800 2100 2520 3150 4200 6300 6373 12600 12746 19119 25492 31865 38238 44611 50984 57357 63730 76476 89222 95595 114714 127460 133833 152952 159325 178444 191190 223055 229428 254920 267666 286785 318650 356888 382380 401499 446110 458856 477975 535332 573570 637300 669165 764760 802998 892220 955950 1070664 1115275 1147140 1274600 1338330 1433925 1605996 1784440 1911900 2007495 2230550 2294280 2676660 2867850 3211992 3345825 3823800 4014990 4461100 5353320 5735700 6691650 8029980 8922200 10037475 11471400 13383300 16059960 20074950 26766600 40149900 80299800