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4025023 = 231391259
BaseRepresentation
bin1111010110101010111111
321120111021221
433112222333
52012300043
6222134211
746132522
oct17265277
97514257
104025023
1122aa072
121421367
13aac092
1476abb9
155478ed
hex3d6abf

4025023 has 8 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 3819288.

The previous prime is 4025003. The next prime is 4025027. The reversal of 4025023 is 3205204.

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

It is not a de Polignac number, because 4025023 - 29 = 4024511 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 4024988 and 4025006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025027) 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, 2568 + ... + 3826.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 24025023 is an apocalyptic number.

4025023 is a deficient number, since it is larger than the sum of its proper divisors (208577).

4025023 is a wasteful number, since it uses less digits than its factorization.

4025023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4025023 is about 2006.2459968807. The cubic root of 4025023 is about 159.0704301457.

The spelling of 4025023 in words is "four million, twenty-five thousand, twenty-three".

Divisors: 1 23 139 1259 3197 28957 175001 4025023