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80410530 = 23523116537
BaseRepresentation
bin1001100101011…
…11011110100010
312121022021111210
410302233132202
5131041114110
611551250550
71664323014
oct462573642
9177267453
1080410530
1141431692
1222b19a56
13138751c5
14a9721b4
1570d5520
hex4caf7a2

80410530 has 32 divisors (see below), whose sum is σ = 201377664. Its totient is φ = 20510336.

The previous prime is 80410523. The next prime is 80410531. The reversal of 80410530 is 3501408.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80410497 and 80410506.

It is not an unprimeable number, because it can be changed into a prime (80410531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57579 + ... + 58958.

It is an arithmetic number, because the mean of its divisors is an integer number (6293052).

Almost surely, 280410530 is an apocalyptic number.

80410530 is an abundant number, since it is smaller than the sum of its proper divisors (120967134).

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

80410530 is a wasteful number, since it uses less digits than its factorization.

80410530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116570.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 80410530 is about 8967.1918681380. The cubic root of 80410530 is about 431.6227308947.

Adding to 80410530 its reverse (3501408), we get a palindrome (83911938).

The spelling of 80410530 in words is "eighty million, four hundred ten thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 116537 233074 349611 582685 699222 1165370 1748055 2680351 3496110 5360702 8041053 13401755 16082106 26803510 40205265 80410530