Search a number
-
+
3149256 = 2331179151
BaseRepresentation
bin1100000000110111001000
312220222222010
430000313020
51301234011
6151255520
735524335
oct14006710
95828863
103149256
1118610a0
12107a5a0
13863586
145bd98c
154231a6
hex300dc8

3149256 has 64 divisors (see below), whose sum is σ = 8755200. Its totient is φ = 936000.

The previous prime is 3149249. The next prime is 3149261. The reversal of 3149256 is 6529413.

It is a hoax number, since the sum of its digits (30) 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 15 ways as a sum of consecutive naturals, for example, 20781 + ... + 20931.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

Almost surely, 23149256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3149256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4377600).

3149256 is an abundant number, since it is smaller than the sum of its proper divisors (5605944).

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

3149256 is a wasteful number, since it uses less digits than its factorization.

3149256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 246 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 3149256 is about 1774.6143242970. The cubic root of 3149256 is about 146.5781789471.

The spelling of 3149256 in words is "three million, one hundred forty-nine thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 79 88 132 151 158 237 264 302 316 453 474 604 632 869 906 948 1208 1661 1738 1812 1896 2607 3322 3476 3624 4983 5214 6644 6952 9966 10428 11929 13288 19932 20856 23858 35787 39864 47716 71574 95432 131219 143148 262438 286296 393657 524876 787314 1049752 1574628 3149256