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980933 = 3131643
BaseRepresentation
bin11101111011111000101
31211211120212
43233133011
5222342213
633005205
711223602
oct3573705
91754525
10980933
1160aa98
123b3805
13284645
141b76a9
151459a8
hexef7c5

980933 has 4 divisors (see below), whose sum is σ = 1012608. Its totient is φ = 949260.

The previous prime is 980921. The next prime is 980957. The reversal of 980933 is 339089.

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 a cyclic number.

It is not a de Polignac number, because 980933 - 28 = 980677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980963) 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, 15791 + ... + 15852.

It is an arithmetic number, because the mean of its divisors is an integer number (253152).

2980933 is an apocalyptic number.

It is an amenable number.

980933 is a deficient number, since it is larger than the sum of its proper divisors (31675).

980933 is a wasteful number, since it uses less digits than its factorization.

980933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31674.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 980933 is about 990.4206177175. The cubic root of 980933 is about 99.3603505428.

The spelling of 980933 in words is "nine hundred eighty thousand, nine hundred thirty-three".

Divisors: 1 31 31643 980933