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80074311 = 371937123
BaseRepresentation
bin1001100010111…
…01011001000111
312120200012022020
410301131121013
5130444334221
611540134223
71661422542
oct461353107
9176605266
1080074311
1141222019
1222997373
1313788165
14a8c5859
15706aac6
hex4c5d647

80074311 has 8 divisors (see below), whose sum is σ = 106917120. Its totient is φ = 53307192.

The previous prime is 80074283. The next prime is 80074381. The reversal of 80074311 is 11347008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80074311 - 214 = 80057927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80074381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16405 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (13364640).

Almost surely, 280074311 is an apocalyptic number.

80074311 is a deficient number, since it is larger than the sum of its proper divisors (26842809).

80074311 is a wasteful number, since it uses less digits than its factorization.

80074311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37845.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 80074311 is about 8948.4250569583. The cubic root of 80074311 is about 431.0203118820.

The spelling of 80074311 in words is "eighty million, seventy-four thousand, three hundred eleven".

Divisors: 1 3 719 2157 37123 111369 26691437 80074311