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4230157 = 9194603
BaseRepresentation
bin10000001000110000001101
321221220200111
4100020300031
52040331112
6230400021
750645551
oct20106015
97856614
104230157
11242a1a8
121500011
13b51569
147c1861
155885a7
hex408c0d

4230157 has 4 divisors (see below), whose sum is σ = 4235680. Its totient is φ = 4224636.

The previous prime is 4230139. The next prime is 4230169. The reversal of 4230157 is 7510324.

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 a cyclic number.

It is not a de Polignac number, because 4230157 - 211 = 4228109 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 (4230197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (1058920).

Almost surely, 24230157 is an apocalyptic number.

It is an amenable number.

4230157 is a deficient number, since it is larger than the sum of its proper divisors (5523).

4230157 is an equidigital number, since it uses as much as digits as its factorization.

4230157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4230157 is about 2056.7345477723. The cubic root of 4230157 is about 161.7281040923.

The spelling of 4230157 in words is "four million, two hundred thirty thousand, one hundred fifty-seven".

Divisors: 1 919 4603 4230157