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8149342 = 231131441
BaseRepresentation
bin11111000101100101011110
3120100000210111
4133011211132
54041234332
6450400234
7126161005
oct37054536
916300714
108149342
1146667a3
12289007a
1318c43c6
141121c3c
15aae947
hex7c595e

8149342 has 8 divisors (see below), whose sum is σ = 12618432. Its totient is φ = 3943200.

The previous prime is 8149331. The next prime is 8149343. The reversal of 8149342 is 2439418.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149343) 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, 65659 + ... + 65782.

It is an arithmetic number, because the mean of its divisors is an integer number (1577304).

Almost surely, 28149342 is an apocalyptic number.

8149342 is a deficient number, since it is larger than the sum of its proper divisors (4469090).

8149342 is a wasteful number, since it uses less digits than its factorization.

8149342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131474.

The product of its digits is 6912, while the sum is 31.

The square root of 8149342 is about 2854.7052387243. The cubic root of 8149342 is about 201.2368518859.

The spelling of 8149342 in words is "eight million, one hundred forty-nine thousand, three hundred forty-two".

Divisors: 1 2 31 62 131441 262882 4074671 8149342