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80053900 = 2252800539
BaseRepresentation
bin1001100010110…
…00011010001100
312120122011022021
410301120122030
5130443211100
611535455524
71661306203
oct461303214
9176564267
1080053900
1141208753
12229875a4
131377ba94
14a8bc23a
157064a1a
hex4c5868c

80053900 has 18 divisors (see below), whose sum is σ = 173717180. Its totient is φ = 32021520.

The previous prime is 80053877. The next prime is 80053927. The reversal of 80053900 is 935008.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 400170 + ... + 400369.

Almost surely, 280053900 is an apocalyptic number.

It is an amenable number.

80053900 is an abundant number, since it is smaller than the sum of its proper divisors (93663280).

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

80053900 is a wasteful number, since it uses less digits than its factorization.

80053900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800553 (or 800546 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 80053900 is about 8947.2845042504. The cubic root of 80053900 is about 430.9836863064.

Adding to 80053900 its reverse (935008), we get a palindrome (80988908).

The spelling of 80053900 in words is "eighty million, fifty-three thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 800539 1601078 3202156 4002695 8005390 16010780 20013475 40026950 80053900