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80486400 = 213352131
BaseRepresentation
bin1001100110000…
…10000000000000
312121110010120210
410303002000000
5131101031100
611553034120
71665060141
oct463020000
9177403523
1080486400
1141483695
1222b55940
13138a08b7
14a991ac8
1570ecc50
hex4cc2000

80486400 has 168 divisors, whose sum is σ = 268156944. Its totient is φ = 21299200.

The previous prime is 80486387. The next prime is 80486423. The reversal of 80486400 is 468408.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 614335 + ... + 614465.

Almost surely, 280486400 is an apocalyptic number.

80486400 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 80486400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134078472).

80486400 is an abundant number, since it is smaller than the sum of its proper divisors (187670544).

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

80486400 is a wasteful number, since it uses less digits than its factorization.

80486400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 80486400 is about 8971.4212920808. The cubic root of 80486400 is about 431.7584383392.

The spelling of 80486400 in words is "eighty million, four hundred eighty-six thousand, four hundred".