Search a number
-
+
3138148 = 2213292081
BaseRepresentation
bin1011111110001001100100
312220102201201
423332021210
51300410043
6151132244
735450056
oct13761144
95812651
103138148
111853812
121074084
1385b4c0
145b98d6
1541ec4d
hex2fe264

3138148 has 24 divisors (see below), whose sum is σ = 6121080. Its totient is φ = 1397760.

The previous prime is 3138137. The next prime is 3138167. The reversal of 3138148 is 8418313.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 3069504 = 262^2 + 1752^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (255045).

Almost surely, 23138148 is an apocalyptic number.

It is an amenable number.

3138148 is a deficient number, since it is larger than the sum of its proper divisors (2982932).

3138148 is a wasteful number, since it uses less digits than its factorization.

3138148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2125 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 3138148 is about 1771.4818655578. The cubic root of 3138148 is about 146.4056399432.

The spelling of 3138148 in words is "three million, one hundred thirty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 2081 4162 8324 27053 54106 60349 108212 120698 241396 784537 1569074 3138148