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3989010 = 235132967
BaseRepresentation
bin1111001101111000010010
321111122220010
433031320102
52010122020
6221255350
745622524
oct17157022
97448803
103989010
112285003
121404556
13a9887c
1475ba14
1553bde0
hex3cde12

3989010 has 16 divisors (see below), whose sum is σ = 9573696. Its totient is φ = 1063728.

The previous prime is 3989009. The next prime is 3989021. The reversal of 3989010 is 109893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 132967 = 3989010 / (3 + 9 + 8 + 9 + 0 + 1 + 0).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66454 + ... + 66513.

It is an arithmetic number, because the mean of its divisors is an integer number (598356).

Almost surely, 23989010 is an apocalyptic number.

3989010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3989010 is an abundant number, since it is smaller than the sum of its proper divisors (5584686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3989010 is a wasteful number, since it uses less digits than its factorization.

3989010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132977.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3989010 is about 1997.2506102140. The cubic root of 3989010 is about 158.5945923702.

The spelling of 3989010 in words is "three million, nine hundred eighty-nine thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 132967 265934 398901 664835 797802 1329670 1994505 3989010