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4028097 = 31342699
BaseRepresentation
bin1111010111011011000001
321120122111210
433113123001
52012344342
6222200333
746144503
oct17273301
97518453
104028097
112301407
1214230a9
13ab05b8
1476bd73
1554879c
hex3d76c1

4028097 has 4 divisors (see below), whose sum is σ = 5370800. Its totient is φ = 2685396.

The previous prime is 4028093. The next prime is 4028137. The reversal of 4028097 is 7908204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4028097 - 22 = 4028093 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (4028093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671347 + ... + 671352.

It is an arithmetic number, because the mean of its divisors is an integer number (1342700).

Almost surely, 24028097 is an apocalyptic number.

It is an amenable number.

4028097 is a deficient number, since it is larger than the sum of its proper divisors (1342703).

4028097 is a wasteful number, since it uses less digits than its factorization.

4028097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342702.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4028097 is about 2007.0119581109. The cubic root of 4028097 is about 159.1109150549.

The spelling of 4028097 in words is "four million, twenty-eight thousand, ninety-seven".

Divisors: 1 3 1342699 4028097