Search a number
-
+
1374909492 = 22311371971429
BaseRepresentation
bin101000111110011…
…0111010000110100
310112211010122020210
41101330313100310
510303434100432
6344233025420
746033352325
oct12174672064
93484118223
101374909492
11646111940
12324555270
1318bb05318
14d086044c
1580a8a8cc
hex51f37434

1374909492 has 96 divisors (see below), whose sum is σ = 3615131520. Its totient is φ = 403038720.

The previous prime is 1374909491. The next prime is 1374909593. The reversal of 1374909492 is 2949094731.

It is a happy number.

It is a super-2 number, since 2×13749094922 = 3780752222383396128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374909491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961434 + ... + 962862.

It is an arithmetic number, because the mean of its divisors is an integer number (37657620).

Almost surely, 21374909492 is an apocalyptic number.

1374909492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374909492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807565760).

1374909492 is an abundant number, since it is smaller than the sum of its proper divisors (2240222028).

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

1374909492 is a wasteful number, since it uses less digits than its factorization.

1374909492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1374909492 is about 37079.7720057716. The cubic root of 1374909492 is about 1111.9656462051.

The spelling of 1374909492 in words is "one billion, three hundred seventy-four million, nine hundred nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 197 222 394 407 444 591 788 814 1182 1221 1429 1628 2167 2364 2442 2858 4287 4334 4884 5716 6501 7289 8574 8668 13002 14578 15719 17148 21867 26004 29156 31438 43734 47157 52873 62876 80179 87468 94314 105746 158619 160358 188628 211492 240537 281513 317238 320716 481074 563026 581603 634476 844539 962148 1126052 1163206 1689078 1744809 2326412 3096643 3378156 3489618 6193286 6979236 9289929 10415981 12386572 18579858 20831962 31247943 37159716 41663924 62495886 114575791 124991772 229151582 343727373 458303164 687454746 1374909492