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8107429 = 11737039
BaseRepresentation
bin11110111011010110100101
3120020220022011
4132323112211
54033414204
6445434221
7125624551
oct36732645
916226264
108107429
114638260
12286b971
1318ab2c5
141110861
15aa2304
hex7bb5a5

8107429 has 4 divisors (see below), whose sum is σ = 8844480. Its totient is φ = 7370380.

The previous prime is 8107423. The next prime is 8107441. The reversal of 8107429 is 9247018.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8107429 - 217 = 7976357 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8107429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107423) 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, 368509 + ... + 368530.

It is an arithmetic number, because the mean of its divisors is an integer number (2211120).

Almost surely, 28107429 is an apocalyptic number.

It is an amenable number.

8107429 is a deficient number, since it is larger than the sum of its proper divisors (737051).

8107429 is a wasteful number, since it uses less digits than its factorization.

8107429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737050.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8107429 is about 2847.3547372957. The cubic root of 8107429 is about 200.8912640092.

The spelling of 8107429 in words is "eight million, one hundred seven thousand, four hundred twenty-nine".

Divisors: 1 11 737039 8107429