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80087300 = 2252800873
BaseRepresentation
bin1001100011000…
…00100100000100
312120200212010022
410301200210010
5131000243200
611540314312
71661505446
oct461404404
9176625108
1080087300
1141230857
12229a2998
1313791047
14a8ca496
15706e885
hex4c60904

80087300 has 18 divisors (see below), whose sum is σ = 173789658. Its totient is φ = 32034880.

The previous prime is 80087297. The next prime is 80087303. The reversal of 80087300 is 378008.

It is an interprime number because it is at equal distance from previous prime (80087297) and next prime (80087303).

It can be written as a sum of positive squares in 3 ways, for example, as 984064 + 79103236 = 992^2 + 8894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80087300.

It is not an unprimeable number, because it can be changed into a prime (80087303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400337 + ... + 400536.

It is an arithmetic number, because the mean of its divisors is an integer number (9654981).

Almost surely, 280087300 is an apocalyptic number.

It is an amenable number.

80087300 is an abundant number, since it is smaller than the sum of its proper divisors (93702358).

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

80087300 is a wasteful number, since it uses less digits than its factorization.

80087300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800887 (or 800880 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 80087300 is about 8949.1507977014. The cubic root of 80087300 is about 431.0436161522.

The spelling of 80087300 in words is "eighty million, eighty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 800873 1601746 3203492 4004365 8008730 16017460 20021825 40043650 80087300