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80340629 = 1076191213
BaseRepresentation
bin1001100100111…
…10011010010101
312121011201121212
410302132122111
5131031400004
611545551205
71663612145
oct462363225
9177151555
1080340629
1141394116
1222aa5505
131384c445
14a954925
1570be96e
hex4c9e695

80340629 has 8 divisors (see below), whose sum is σ = 81289440. Its totient is φ = 79395696.

The previous prime is 80340619. The next prime is 80340647. The reversal of 80340629 is 92604308.

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

It is a cyclic number.

It is not a de Polignac number, because 80340629 - 212 = 80336533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80340595 and 80340604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80340619) 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, 65627 + ... + 66839.

It is an arithmetic number, because the mean of its divisors is an integer number (10161180).

Almost surely, 280340629 is an apocalyptic number.

It is an amenable number.

80340629 is a deficient number, since it is larger than the sum of its proper divisors (948811).

80340629 is a wasteful number, since it uses less digits than its factorization.

80340629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 80340629 is about 8963.2934237366. The cubic root of 80340629 is about 431.4976245300.

The spelling of 80340629 in words is "eighty million, three hundred forty thousand, six hundred twenty-nine".

Divisors: 1 107 619 1213 66233 129791 750847 80340629