Search a number
-
+
3287815041 = 37156562621
BaseRepresentation
bin1100001111111000…
…0001001110000001
322111010121022100110
43003332001032001
523213140040131
61302125141533
7144321652410
oct30376011601
98433538313
103287815041
111437982115
127790ba8a9
134052070b4
14232927477
15143997646
hexc3f81381

3287815041 has 8 divisors (see below), whose sum is σ = 5010003904. Its totient is φ = 1878751440.

The previous prime is 3287815033. The next prime is 3287815049. The reversal of 3287815041 is 1405187823.

It is an interprime number because it is at equal distance from previous prime (3287815033) and next prime (3287815049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3287815041 - 23 = 3287815033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3287815049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78281290 + ... + 78281331.

It is an arithmetic number, because the mean of its divisors is an integer number (626250488).

Almost surely, 23287815041 is an apocalyptic number.

It is an amenable number.

3287815041 is a deficient number, since it is larger than the sum of its proper divisors (1722188863).

3287815041 is a wasteful number, since it uses less digits than its factorization.

3287815041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156562631.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 3287815041 is about 57339.4719281578. The cubic root of 3287815041 is about 1486.9708652171.

The spelling of 3287815041 in words is "three billion, two hundred eighty-seven million, eight hundred fifteen thousand, forty-one".

Divisors: 1 3 7 21 156562621 469687863 1095938347 3287815041