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80434207 = 713783873
BaseRepresentation
bin1001100101101…
…01010000011111
312121100110222201
410302311100133
5131042343312
611551552331
71664452030
oct462652037
9177313881
1080434207
1141448457
1222b2b6a7
1313882c09
14a97aa87
1570dc557
hex4cb541f

80434207 has 8 divisors (see below), whose sum is σ = 92596896. Its totient is φ = 68439552.

The previous prime is 80434141. The next prime is 80434271. The reversal of 80434207 is 70243408.

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-80434207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80434297) 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, 40978 + ... + 42895.

It is an arithmetic number, because the mean of its divisors is an integer number (11574612).

Almost surely, 280434207 is an apocalyptic number.

80434207 is a deficient number, since it is larger than the sum of its proper divisors (12162689).

80434207 is a wasteful number, since it uses less digits than its factorization.

80434207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84017.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 80434207 is about 8968.5119724512. The cubic root of 80434207 is about 431.6650907220.

The spelling of 80434207 in words is "eighty million, four hundred thirty-four thousand, two hundred seven".

Divisors: 1 7 137 959 83873 587111 11490601 80434207