Search a number
-
+
2938928436 = 2232192226141
BaseRepresentation
bin1010111100101100…
…0111110100110100
321120211010000220100
42233023013310310
522004331202221
61203343234100
7132554323323
oct25713076464
97524100810
102938928436
111278a48484
126a02a8930
1337ab50912
141dc46a0ba
1512302d926
hexaf2c7d34

2938928436 has 54 divisors (see below), whose sum is σ = 7840569282. Its totient is φ = 928078560.

The previous prime is 2938928423. The next prime is 2938928441. The reversal of 2938928436 is 6348298392.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2585112336 + 353816100 = 50844^2 + 18810^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100075 + ... + 126066.

Almost surely, 22938928436 is an apocalyptic number.

It is an amenable number.

2938928436 is an abundant number, since it is smaller than the sum of its proper divisors (4901640846).

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

2938928436 is a wasteful number, since it uses less digits than its factorization.

2938928436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226189 (or 226165 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 2938928436 is about 54211.8846379648. The cubic root of 2938928436 is about 1432.3956836768.

The spelling of 2938928436 in words is "two billion, nine hundred thirty-eight million, nine hundred twenty-eight thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 361 684 722 1083 1444 2166 3249 4332 6498 12996 226141 452282 678423 904564 1356846 2035269 2713692 4070538 4296679 8141076 8593358 12890037 17186716 25780074 38670111 51560148 77340222 81636901 154680444 163273802 244910703 326547604 489821406 734732109 979642812 1469464218 2938928436