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900137 = 7128591
BaseRepresentation
bin11011011110000101001
31200201202102
43123300221
5212301022
631143145
710436210
oct3336051
91621672
10900137
11565317
12374ab5
13256934
14196077
1512ba92
hexdbc29

900137 has 4 divisors (see below), whose sum is σ = 1028736. Its totient is φ = 771540.

The previous prime is 900121. The next prime is 900139. The reversal of 900137 is 731009.

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 not a de Polignac number, because 900137 - 24 = 900121 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900137.

It is not an unprimeable number, because it can be changed into a prime (900139) 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 3 ways as a sum of consecutive naturals, for example, 64289 + ... + 64302.

It is an arithmetic number, because the mean of its divisors is an integer number (257184).

2900137 is an apocalyptic number.

It is an amenable number.

900137 is a deficient number, since it is larger than the sum of its proper divisors (128599).

900137 is a wasteful number, since it uses less digits than its factorization.

900137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128598.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 900137 is about 948.7555006428. The cubic root of 900137 is about 96.5538371767.

The spelling of 900137 in words is "nine hundred thousand, one hundred thirty-seven".

Divisors: 1 7 128591 900137