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3980023 = 171032273
BaseRepresentation
bin1111001011101011110111
321111012120021
433023223313
52004330043
6221150011
745554365
oct17135367
97435507
103980023
112279283
1213bb307
13a94758
14758635
155393ed
hex3cbaf7

3980023 has 8 divisors (see below), whose sum is σ = 4256928. Its totient is φ = 3707904.

The previous prime is 3980017. The next prime is 3980027. The reversal of 3980023 is 3200893.

It is a happy number.

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

It is not a de Polignac number, because 3980023 - 29 = 3979511 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 3980023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (532116).

Almost surely, 23980023 is an apocalyptic number.

3980023 is a deficient number, since it is larger than the sum of its proper divisors (276905).

3980023 is a wasteful number, since it uses less digits than its factorization.

3980023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3980023 is about 1994.9994987468. Note that the first 3 decimals coincide. The cubic root of 3980023 is about 158.4754014508.

The spelling of 3980023 in words is "three million, nine hundred eighty thousand, twenty-three".

Divisors: 1 17 103 1751 2273 38641 234119 3980023