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3138253 = 25112503
BaseRepresentation
bin1011111110001011001101
312220102212121
423332023031
51300411003
6151132541
735450266
oct13761315
95812777
103138253
1118538a8
121074151
1385b571
145b996d
1541ecbd
hex2fe2cd

3138253 has 4 divisors (see below), whose sum is σ = 3151008. Its totient is φ = 3125500.

The previous prime is 3138221. The next prime is 3138283. The reversal of 3138253 is 3528313.

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 3138253 - 25 = 3138221 is a prime.

It is a Duffinian number.

3138253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6001 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (787752).

Almost surely, 23138253 is an apocalyptic number.

It is an amenable number.

3138253 is a deficient number, since it is larger than the sum of its proper divisors (12755).

3138253 is a wasteful number, since it uses less digits than its factorization.

3138253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754.

The product of its digits is 2160, while the sum is 25.

The square root of 3138253 is about 1771.5115015150. The cubic root of 3138253 is about 146.4072727980.

Adding to 3138253 its product of digits (2160), we get a palindrome (3140413).

The spelling of 3138253 in words is "three million, one hundred thirty-eight thousand, two hundred fifty-three".

Divisors: 1 251 12503 3138253