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80374141 = 102178721
BaseRepresentation
bin1001100101001…
…10100101111101
312121020102121001
410302212211331
5131033433031
611550410301
71664111641
oct462464575
9177212531
1080374141
1141407311
1222b00991
1313861783
14a962c21
1570c9861
hex4ca697d

80374141 has 4 divisors (see below), whose sum is σ = 80453884. Its totient is φ = 80294400.

The previous prime is 80374127. The next prime is 80374153. The reversal of 80374141 is 14147308.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47265625 + 33108516 = 6875^2 + 5754^2 .

It is a cyclic number.

It is not a de Polignac number, because 80374141 - 211 = 80372093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80374111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38340 + ... + 40381.

It is an arithmetic number, because the mean of its divisors is an integer number (20113471).

Almost surely, 280374141 is an apocalyptic number.

It is an amenable number.

80374141 is a deficient number, since it is larger than the sum of its proper divisors (79743).

80374141 is a wasteful number, since it uses less digits than its factorization.

80374141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79742.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 80374141 is about 8965.1626309844. The cubic root of 80374141 is about 431.5576121870.

The spelling of 80374141 in words is "eighty million, three hundred seventy-four thousand, one hundred forty-one".

Divisors: 1 1021 78721 80374141