Search a number
-
+
3297286428 = 2232911638147
BaseRepresentation
bin1100010010001000…
…1001100100011100
322111210102111122120
43010202021210130
523223101131203
61303104142540
7144465320652
oct30442114434
98453374576
103297286428
111442261107
12780307a50
13407172177
14233cb0dd2
15144718b53
hexc488991c

3297286428 has 48 divisors (see below), whose sum is σ = 7966788480. Its totient is φ = 1060153024.

The previous prime is 3297286423. The next prime is 3297286439. The reversal of 3297286428 is 8246827923.

It is a happy number.

It is a super-3 number, since 3×32972864283 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3297286423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400651 + ... + 408797.

It is an arithmetic number, because the mean of its divisors is an integer number (165974760).

Almost surely, 23297286428 is an apocalyptic number.

It is an amenable number.

3297286428 is an abundant number, since it is smaller than the sum of its proper divisors (4669502052).

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

3297286428 is a wasteful number, since it uses less digits than its factorization.

3297286428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9344 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 3297286428 is about 57422.0029953676. The cubic root of 3297286428 is about 1488.3973621539.

The spelling of 3297286428 in words is "three billion, two hundred ninety-seven million, two hundred eighty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1163 2326 3489 4652 6978 8147 13956 16294 24441 32588 33727 48882 67454 97764 101181 134908 202362 236263 404724 472526 708789 945052 1417578 2835156 9474961 18949922 28424883 37899844 56849766 113699532 274773869 549547738 824321607 1099095476 1648643214 3297286428