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4280997 = 37203857
BaseRepresentation
bin10000010101001010100101
322001111102110
4100111022211
52043442442
6231431233
751250020
oct20251245
98044373
104280997
112464416
121525519
13b6b746
147d61b7
1559869c
hex4152a5

4280997 has 8 divisors (see below), whose sum is σ = 6523456. Its totient is φ = 2446272.

The previous prime is 4280971. The next prime is 4280999. The reversal of 4280997 is 7990824.

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

It is not a de Polignac number, because 4280997 - 28 = 4280741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280999) 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, 101908 + ... + 101949.

It is an arithmetic number, because the mean of its divisors is an integer number (815432).

Almost surely, 24280997 is an apocalyptic number.

It is an amenable number.

4280997 is a deficient number, since it is larger than the sum of its proper divisors (2242459).

4280997 is a wasteful number, since it uses less digits than its factorization.

4280997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203867.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4280997 is about 2069.0570315968. The cubic root of 4280997 is about 162.3734335967.

The spelling of 4280997 in words is "four million, two hundred eighty thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 203857 611571 1426999 4280997