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80197346 = 240098673
BaseRepresentation
bin1001100011110…
…11011011100010
312120220110002002
410301323123202
5131012303341
611542524002
71662444335
oct461733342
9176813062
1080197346
11412a64a9
1222a36602
13137cc168
14a91861c
15709229b
hex4c7b6e2

80197346 has 4 divisors (see below), whose sum is σ = 120296022. Its totient is φ = 40098672.

The previous prime is 80197331. The next prime is 80197349. The reversal of 80197346 is 64379108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67158025 + 13039321 = 8195^2 + 3611^2 .

It is a super-2 number, since 2×801973462 = 12863228610887432, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80197349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20049335 + ... + 20049338.

Almost surely, 280197346 is an apocalyptic number.

80197346 is a deficient number, since it is larger than the sum of its proper divisors (40098676).

80197346 is a wasteful number, since it uses less digits than its factorization.

80197346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40098675.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 80197346 is about 8955.2970916659. The cubic root of 80197346 is about 431.2409546237.

The spelling of 80197346 in words is "eighty million, one hundred ninety-seven thousand, three hundred forty-six".

Divisors: 1 2 40098673 80197346