[go: up one dir, main page]

Search a number
-
+
10487946 = 2371737397
BaseRepresentation
bin101000000000…
…100010001010
3201201211202110
4220000202022
510141103241
61012443150
7155101050
oct50004212
921654673
1010487946
115a13827
1236194b6
1322329b1
1415701d0
15dc2816
hexa0088a

10487946 has 64 divisors (see below), whose sum is σ = 26134272. Its totient is φ = 2737152.

The previous prime is 10487933. The next prime is 10487947. The reversal of 10487946 is 64978401.

It is a happy number.

It is a super-2 number, since 2×104879462 = 219994022597832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10487947) 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, 26220 + ... + 26616.

It is an arithmetic number, because the mean of its divisors is an integer number (408348).

Almost surely, 210487946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10487946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13067136).

10487946 is an abundant number, since it is smaller than the sum of its proper divisors (15646326).

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

10487946 is a wasteful number, since it uses less digits than its factorization.

10487946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 10487946 is about 3238.5098425047. The cubic root of 10487946 is about 218.8921301089.

The spelling of 10487946 in words is "ten million, four hundred eighty-seven thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 14 17 21 34 37 42 51 74 102 111 119 222 238 259 357 397 518 629 714 777 794 1191 1258 1554 1887 2382 2779 3774 4403 5558 6749 8337 8806 13209 13498 14689 16674 20247 26418 29378 40494 44067 47243 88134 94486 102823 141729 205646 249713 283458 308469 499426 616938 749139 1498278 1747991 3495982 5243973 10487946