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8160742 = 224116931
BaseRepresentation
bin11111001000010111100110
3120100121102201
4133020113212
54042120432
6450525114
7126236152
oct37102746
916317381
108160742
114674317
12289679a
1318c9655
141126062
15ab2ee7
hex7c85e6

8160742 has 8 divisors (see below), whose sum is σ = 12292632. Its totient is φ = 4063200.

The previous prime is 8160739. The next prime is 8160749. The reversal of 8160742 is 2470618.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8160742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7984 + ... + 8947.

It is an arithmetic number, because the mean of its divisors is an integer number (1536579).

Almost surely, 28160742 is an apocalyptic number.

8160742 is a deficient number, since it is larger than the sum of its proper divisors (4131890).

8160742 is a wasteful number, since it uses less digits than its factorization.

8160742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 8160742 is about 2856.7012444426. The cubic root of 8160742 is about 201.3306439660.

The spelling of 8160742 in words is "eight million, one hundred sixty thousand, seven hundred forty-two".

Divisors: 1 2 241 482 16931 33862 4080371 8160742