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983801001 = 3327933667
BaseRepresentation
bin111010101000111…
…001110010101001
32112120012021021010
4322220321302221
54003323113001
6241342134133
733244112331
oct7250716251
92476167233
10983801001
1146536a287
12235581349
13128a87b91
14949320c1
155b5818d6
hex3aa39ca9

983801001 has 4 divisors (see below), whose sum is σ = 1311734672. Its totient is φ = 655867332.

The previous prime is 983800991. The next prime is 983801023. The reversal of 983801001 is 100108389.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100108389 = 333369463.

It is not a de Polignac number, because 983801001 - 210 = 983799977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 983801001.

It is not an unprimeable number, because it can be changed into a prime (983801041) 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, 163966831 + ... + 163966836.

It is an arithmetic number, because the mean of its divisors is an integer number (327933668).

Almost surely, 2983801001 is an apocalyptic number.

It is an amenable number.

983801001 is a deficient number, since it is larger than the sum of its proper divisors (327933671).

983801001 is a wasteful number, since it uses less digits than its factorization.

983801001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327933670.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 983801001 is about 31365.6021941234. The cubic root of 983801001 is about 994.5709120111.

The spelling of 983801001 in words is "nine hundred eighty-three million, eight hundred one thousand, one".

Divisors: 1 3 327933667 983801001