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80435384 = 2310054423
BaseRepresentation
bin1001100101101…
…01100010111000
312121100112121022
410302311202320
5131042413014
611552002012
71664455331
oct462654270
9177315538
1080435384
1141449327
1222b30308
1313883603
14a97b288
1570dca8e
hex4cb58b8

80435384 has 8 divisors (see below), whose sum is σ = 150816360. Its totient is φ = 40217688.

The previous prime is 80435371. The next prime is 80435389. The reversal of 80435384 is 48353408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80435389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027204 + ... + 5027219.

It is an arithmetic number, because the mean of its divisors is an integer number (18852045).

Almost surely, 280435384 is an apocalyptic number.

It is an amenable number.

80435384 is a deficient number, since it is larger than the sum of its proper divisors (70380976).

80435384 is a wasteful number, since it uses less digits than its factorization.

80435384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054429 (or 10054425 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 80435384 is about 8968.5775906774. The cubic root of 80435384 is about 431.6671962414.

The spelling of 80435384 in words is "eighty million, four hundred thirty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 10054423 20108846 40217692 80435384