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1000901 = 11194789
BaseRepresentation
bin11110100010111000101
31212211222102
43310113011
5224012101
633241445
711336036
oct3642705
91784872
101000901
11623aa0
12403285
13290765
141c0a8d
1514b86b
hexf45c5

1000901 has 8 divisors (see below), whose sum is σ = 1149600. Its totient is φ = 861840.

The previous prime is 1000889. The next prime is 1000907. The reversal of 1000901 is 1090001.

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

It is not a de Polignac number, because 1000901 - 218 = 738757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (143700).

21000901 is an apocalyptic number.

1000901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000901 is a deficient number, since it is larger than the sum of its proper divisors (148699).

1000901 is a wasteful number, since it uses less digits than its factorization.

1000901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1000901 is about 1000.4503985706. The cubic root of 1000901 is about 100.0300243178.

Adding to 1000901 its reverse (1090001), we get a palindrome (2090902).

The spelling of 1000901 in words is "one million, nine hundred one", and thus it is an aban number.

Divisors: 1 11 19 209 4789 52679 90991 1000901