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80064237 = 31117433319
BaseRepresentation
bin1001100010110…
…10111011101101
312120122200111010
410301122323231
5130444023422
611540015433
71661351301
oct461327355
9176580433
1080064237
11412154a0
1222991579
13137836b6
14a8c1d01
157067b0c
hex4c5aeed

80064237 has 32 divisors (see below), whose sum is σ = 126213120. Its totient is φ = 44593920.

The previous prime is 80064223. The next prime is 80064241. The reversal of 80064237 is 73246008.

It is not a de Polignac number, because 80064237 - 24 = 80064221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80064217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22464 + ... + 25782.

It is an arithmetic number, because the mean of its divisors is an integer number (3944160).

Almost surely, 280064237 is an apocalyptic number.

It is an amenable number.

80064237 is a deficient number, since it is larger than the sum of its proper divisors (46148883).

80064237 is a wasteful number, since it uses less digits than its factorization.

80064237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 80064237 is about 8947.8621469041. The cubic root of 80064237 is about 431.0022358363.

The spelling of 80064237 in words is "eighty million, sixty-four thousand, two hundred thirty-seven".

Divisors: 1 3 11 17 33 43 51 129 187 473 561 731 1419 2193 3319 8041 9957 24123 36509 56423 109527 142717 169269 428151 620653 1569887 1861959 2426189 4709661 7278567 26688079 80064237