Search a number
-
+
3138492 = 223737363
BaseRepresentation
bin1011111110001110111100
312220110012110
423332032330
51300412432
6151134020
735451060
oct13761674
95813173
103138492
111853aa5
121074310
1385b6c6
145b9aa0
1541edcc
hex2fe3bc

3138492 has 24 divisors (see below), whose sum is σ = 8369536. Its totient is φ = 896688.

The previous prime is 3138491. The next prime is 3138493. The reversal of 3138492 is 2948313.

3138492 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3138491) and next prime (3138493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138491) 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, 18598 + ... + 18765.

Almost surely, 23138492 is an apocalyptic number.

It is an amenable number.

3138492 is an abundant number, since it is smaller than the sum of its proper divisors (5231044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3138492 is a wasteful number, since it uses less digits than its factorization.

3138492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37377 (or 37375 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 3138492 is about 1771.5789567502. The cubic root of 3138492 is about 146.4109893510.

The spelling of 3138492 in words is "three million, one hundred thirty-eight thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 37363 74726 112089 149452 224178 261541 448356 523082 784623 1046164 1569246 3138492