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1000158 = 23166693
BaseRepresentation
bin11110100001011011110
31212210221220
43310023132
5224001113
633234210
711333625
oct3641336
91783856
101000158
11623485
12402966
13290313
141c06bc
1514b523
hexf42de

1000158 has 8 divisors (see below), whose sum is σ = 2000328. Its totient is φ = 333384.

The previous prime is 1000151. The next prime is 1000159. The reversal of 1000158 is 8510001.

Adding to 1000158 its reverse (8510001), we get a palindrome (9510159).

It is a happy number.

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

1000158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000151) 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, 83341 + ... + 83352.

It is an arithmetic number, because the mean of its divisors is an integer number (250041).

21000158 is an apocalyptic number.

1000158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000158 is a wasteful number, since it uses less digits than its factorization.

1000158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166698.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1000158 is about 1000.0789968797. The cubic root of 1000158 is about 100.0052663893.

The spelling of 1000158 in words is "one million, one hundred fifty-eight", and thus it is an aban number.

Divisors: 1 2 3 6 166693 333386 500079 1000158