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3228157 = 19712393
BaseRepresentation
bin1100010100000111111101
320002000012101
430110013331
51311300112
6153105101
736303352
oct14240775
96060171
103228157
1119053a9
1210b8191
1389046a
14600629
1543b757
hex3141fd

3228157 has 8 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 3013920.

The previous prime is 3228151. The next prime is 3228161. The reversal of 3228157 is 7518223.

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

It is a cyclic number.

It is not a de Polignac number, because 3228157 - 23 = 3228149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228151) 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, 153 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 23228157 is an apocalyptic number.

It is an amenable number.

3228157 is a deficient number, since it is larger than the sum of its proper divisors (219203).

3228157 is a wasteful number, since it uses less digits than its factorization.

3228157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its digits is 3360, while the sum is 28.

The square root of 3228157 is about 1796.7072660843. The cubic root of 3228157 is about 147.7922120603.

The spelling of 3228157 in words is "three million, two hundred twenty-eight thousand, one hundred fifty-seven".

Divisors: 1 19 71 1349 2393 45467 169903 3228157