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80430029 = 1993891039
BaseRepresentation
bin1001100101101…
…00001111001101
312121100021020222
410302310033031
5131042230104
611551521125
71664433611
oct462641715
9177307228
1080430029
11414452a9
1222b291a5
1313881044
14a979341
1570db1be
hex4cb43cd

80430029 has 8 divisors (see below), whose sum is σ = 81120000. Its totient is φ = 79743312.

The previous prime is 80430023. The next prime is 80430041. The reversal of 80430029 is 92003408.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80430029 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 (80430023) 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, 76892 + ... + 77930.

It is an arithmetic number, because the mean of its divisors is an integer number (10140000).

Almost surely, 280430029 is an apocalyptic number.

It is an amenable number.

80430029 is a deficient number, since it is larger than the sum of its proper divisors (689971).

80430029 is a wasteful number, since it uses less digits than its factorization.

80430029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 80430029 is about 8968.2790433840. The cubic root of 80430029 is about 431.6576165887.

The spelling of 80430029 in words is "eighty million, four hundred thirty thousand, twenty-nine".

Divisors: 1 199 389 1039 77411 206761 404171 80430029