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80260140 = 22356121929
BaseRepresentation
bin1001100100010…
…10110000101100
312121000122012210
410302022300230
5131021311030
611544130420
71663125402
oct462126054
9177018183
1080260140
11413396a4
1222a66a10
131382190c
14a933472
1570a5bb0
hex4c8ac2c

80260140 has 48 divisors (see below), whose sum is σ = 228422880. Its totient is φ = 21050880.

The previous prime is 80260049. The next prime is 80260177. The reversal of 80260140 is 4106208.

It is a super-3 number, since 3×802601403 (a number of 25 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7305 + ... + 14624.

It is an arithmetic number, because the mean of its divisors is an integer number (4758810).

Almost surely, 280260140 is an apocalyptic number.

It is an amenable number.

80260140 is an abundant number, since it is smaller than the sum of its proper divisors (148162740).

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

80260140 is a wasteful number, since it uses less digits than its factorization.

80260140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22002 (or 22000 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 80260140 is about 8958.8023753178. The cubic root of 80260140 is about 431.3534782140.

Adding to 80260140 its reverse (4106208), we get a palindrome (84366348).

The spelling of 80260140 in words is "eighty million, two hundred sixty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 21929 43858 65787 87716 109645 131574 219290 263148 328935 438580 657870 1315740 1337669 2675338 4013007 5350676 6688345 8026014 13376690 16052028 20065035 26753380 40130070 80260140