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80411600 = 2452533793
BaseRepresentation
bin1001100101011…
…11101111010000
312121022022222102
410302233233100
5131041132400
611551255532
71664326103
oct462575720
9177268872
1080411600
1141432475
1222b1a5a8
1313875839
14a97273a
1570d59d5
hex4cafbd0

80411600 has 60 divisors (see below), whose sum is σ = 196885836. Its totient is φ = 31549440.

The previous prime is 80411593. The next prime is 80411621. The reversal of 80411600 is 611408.

It can be written as a sum of positive squares in 6 ways, for example, as 3182656 + 77228944 = 1784^2 + 8788^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19304 + ... + 23096.

Almost surely, 280411600 is an apocalyptic number.

80411600 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 80411600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98442918).

80411600 is an abundant number, since it is smaller than the sum of its proper divisors (116474236).

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

80411600 is a wasteful number, since it uses less digits than its factorization.

80411600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 80411600 is about 8967.2515298725. The cubic root of 80411600 is about 431.6246453797.

Subtracting from 80411600 its product of nonzero digits (192), we obtain a palindrome (80411408).

The spelling of 80411600 in words is "eighty million, four hundred eleven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 200 212 265 400 424 530 848 1060 1325 2120 2650 3793 4240 5300 7586 10600 15172 18965 21200 30344 37930 60688 75860 94825 151720 189650 201029 303440 379300 402058 758600 804116 1005145 1517200 1608232 2010290 3216464 4020580 5025725 8041160 10051450 16082320 20102900 40205800 80411600