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80317400 = 2352401587
BaseRepresentation
bin1001100100110…
…00101111011000
312121010112202112
410302120233120
5131030124100
611545251452
71663454342
oct462305730
9177115675
1080317400
1141378719
1222a93b88
13138419b7
14a94a292
1570b7b35
hex4c98bd8

80317400 has 24 divisors (see below), whose sum is σ = 186738420. Its totient is φ = 32126880.

The previous prime is 80317379. The next prime is 80317411. The reversal of 80317400 is 471308.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200594 + ... + 200993.

Almost surely, 280317400 is an apocalyptic number.

It is an amenable number.

80317400 is an abundant number, since it is smaller than the sum of its proper divisors (106421020).

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

80317400 is a wasteful number, since it uses less digits than its factorization.

80317400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401603 (or 401594 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 80317400 is about 8961.9975451905. The cubic root of 80317400 is about 431.4560340147.

Adding to 80317400 its reverse (471308), we get a palindrome (80788708).

The spelling of 80317400 in words is "eighty million, three hundred seventeen thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 401587 803174 1606348 2007935 3212696 4015870 8031740 10039675 16063480 20079350 40158700 80317400