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989089001 = 7127315101
BaseRepresentation
bin111010111101000…
…100110011101001
32112221010221000222
4322331010303221
54011201322001
6242051335425
733340055255
oct7275046351
92487127028
10989089001
1146835122a
122372b1575
13129bb9a84
149550b265
155bc7861b
hex3af44ce9

989089001 has 8 divisors (see below), whose sum is σ = 1003583808. Its totient is φ = 974610000.

The previous prime is 989088973. The next prime is 989089027. The reversal of 989089001 is 100980989.

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

It is a cyclic number.

It is not a de Polignac number, because 989089001 - 218 = 988826857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989089091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191351 + ... + 196451.

It is an arithmetic number, because the mean of its divisors is an integer number (125447976).

Almost surely, 2989089001 is an apocalyptic number.

It is an amenable number.

989089001 is a deficient number, since it is larger than the sum of its proper divisors (14494807).

989089001 is a wasteful number, since it uses less digits than its factorization.

989089001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 989089001 is about 31449.7853887749. The cubic root of 989089001 is about 996.3496917965.

The spelling of 989089001 in words is "nine hundred eighty-nine million, eighty-nine thousand, one".

Divisors: 1 71 2731 5101 193901 362171 13930831 989089001