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80357411 = 431868777
BaseRepresentation
bin1001100101000…
…10100000100011
312121012120122102
410302202200203
5131032414121
611550201015
71664012111
oct462424043
9177176572
1080357411
11413a5792
1222ab316b
1313856c84
14a95aab1
1570c490b
hex4ca2823

80357411 has 4 divisors (see below), whose sum is σ = 82226232. Its totient is φ = 78488592.

The previous prime is 80357393. The next prime is 80357413. The reversal of 80357411 is 11475308.

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

It is a cyclic number.

It is not a de Polignac number, because 80357411 - 222 = 76163107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80357413) 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, 934346 + ... + 934431.

It is an arithmetic number, because the mean of its divisors is an integer number (20556558).

Almost surely, 280357411 is an apocalyptic number.

80357411 is a deficient number, since it is larger than the sum of its proper divisors (1868821).

80357411 is a wasteful number, since it uses less digits than its factorization.

80357411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868820.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 80357411 is about 8964.2295262895. The cubic root of 80357411 is about 431.5276669841.

The spelling of 80357411 in words is "eighty million, three hundred fifty-seven thousand, four hundred eleven".

Divisors: 1 43 1868777 80357411