Search a number
-
+
44701681 is a prime number
BaseRepresentation
bin1010101010000…
…1011111110001
310010010002011211
42222201133301
542420423211
64234040121
71051646413
oct252413761
9103102154
1044701681
1123262042
1212b79041
1393518cb
145d189b3
153dcee21
hex2aa17f1

44701681 has 2 divisors, whose sum is σ = 44701682. Its totient is φ = 44701680.

The previous prime is 44701669. The next prime is 44701693. The reversal of 44701681 is 18610744.

It is a balanced prime because it is at equal distance from previous prime (44701669) and next prime (44701693).

It can be written as a sum of positive squares in only one way, i.e., 41152225 + 3549456 = 6415^2 + 1884^2 .

It is a cyclic number.

It is not a de Polignac number, because 44701681 - 25 = 44701649 is a prime.

It is a super-2 number, since 2×447016812 = 3996480568451522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44701651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22350840 + 22350841.

It is an arithmetic number, because the mean of its divisors is an integer number (22350841).

Almost surely, 244701681 is an apocalyptic number.

It is an amenable number.

44701681 is a deficient number, since it is larger than the sum of its proper divisors (1).

44701681 is an equidigital number, since it uses as much as digits as its factorization.

44701681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 44701681 is about 6685.9315730869. The cubic root of 44701681 is about 354.9015954191.

The spelling of 44701681 in words is "forty-four million, seven hundred one thousand, six hundred eighty-one".