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80723374 = 261210847
BaseRepresentation
bin1001100111110…
…11110110101110
312121220011122121
410303323312232
5131131121444
612002103154
72000065054
oct463736656
9177804577
1080723374
1141625736
122304aaba
1313954714
14aa141d4
157148084
hex4cfbdae

80723374 has 12 divisors (see below), whose sum is σ = 123113952. Its totient is φ = 39696360.

The previous prime is 80723371. The next prime is 80723389. The reversal of 80723374 is 47332708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80723371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2019 + ... + 12865.

It is an arithmetic number, because the mean of its divisors is an integer number (10259496).

Almost surely, 280723374 is an apocalyptic number.

80723374 is a deficient number, since it is larger than the sum of its proper divisors (42390578).

80723374 is a wasteful number, since it uses less digits than its factorization.

80723374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10971 (or 10910 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 80723374 is about 8984.6187453893. The cubic root of 80723374 is about 432.1817615057.

The spelling of 80723374 in words is "eighty million, seven hundred twenty-three thousand, three hundred seventy-four".

Divisors: 1 2 61 122 3721 7442 10847 21694 661667 1323334 40361687 80723374