Search a number
-
+
97044481 = 263336857
BaseRepresentation
bin1011100100011…
…00100000000001
320202121101000001
411302030200001
5144320410411
613344000001
72255602342
oct562144001
9222541001
1097044481
114a862a56
1228600001
131714a491
14cc620c9
1587bddc1
hex5c8c801

97044481 has 4 divisors (see below), whose sum is σ = 97083972. Its totient is φ = 97004992.

The previous prime is 97044463. The next prime is 97044487. The reversal of 97044481 is 18444079.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35892081 + 61152400 = 5991^2 + 7820^2 .

It is a cyclic number.

It is not a de Polignac number, because 97044481 - 223 = 88655873 is a prime.

It is a super-2 number, since 2×970444812 = 18835262585118722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97044481.

It is not an unprimeable number, because it can be changed into a prime (97044487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15796 + ... + 21061.

It is an arithmetic number, because the mean of its divisors is an integer number (24270993).

Almost surely, 297044481 is an apocalyptic number.

97044481 is the 5266-th nonagonal number.

It is an amenable number.

97044481 is a deficient number, since it is larger than the sum of its proper divisors (39491).

97044481 is a wasteful number, since it uses less digits than its factorization.

97044481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39490.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 97044481 is about 9851.1157236122. The cubic root of 97044481 is about 459.5403110964.

It can be divided in two parts, 970 and 44481, that added together give a triangular number (45451 = T301).

The spelling of 97044481 in words is "ninety-seven million, forty-four thousand, four hundred eighty-one".

Divisors: 1 2633 36857 97044481