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80740814 = 271129101179
BaseRepresentation
bin1001101000000…
…00000111001110
312121221001120112
410310000013032
5131132201224
612002320022
72000166650
oct464000716
9177831515
1080740814
1141637850
1223059012
131395c63b
14aa1a6d0
15714d30e
hex4d001ce

80740814 has 64 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 29904000.

The previous prime is 80740789. The next prime is 80740817. The reversal of 80740814 is 41804708.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80740817) 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, 450977 + ... + 451155.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 280740814 is an apocalyptic number.

80740814 is a deficient number, since it is larger than the sum of its proper divisors (77889586).

80740814 is a wasteful number, since it uses less digits than its factorization.

80740814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 80740814 is about 8985.5892405562. The cubic root of 80740814 is about 432.2128830459.

The spelling of 80740814 in words is "eighty million, seven hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 7 11 14 22 29 58 77 101 154 179 202 203 319 358 406 638 707 1111 1253 1414 1969 2222 2233 2506 2929 3938 4466 5191 5858 7777 10382 13783 15554 18079 20503 27566 32219 36158 36337 41006 57101 64438 72674 114202 126553 198869 225533 253106 397738 399707 451066 524291 799414 1048582 1392083 2784166 3670037 5767201 7340074 11534402 40370407 80740814