Search a number
-
+
71100044 = 2217775011
BaseRepresentation
bin1000011110011…
…10011010001100
311221210020220222
410033032122030
5121200200134
611015530512
71522224521
oct417163214
9157706828
1071100044
1137152574
121b989a38
1311965442
14962b148
156396a2e
hex43ce68c

71100044 has 6 divisors (see below), whose sum is σ = 124425084. Its totient is φ = 35550020.

The previous prime is 71100023. The next prime is 71100067. The reversal of 71100044 is 44000117.

It is a junction number, because it is equal to n+sod(n) for n = 71099995 and 71100031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8887502 + ... + 8887509.

It is an arithmetic number, because the mean of its divisors is an integer number (20737514).

Almost surely, 271100044 is an apocalyptic number.

It is an amenable number.

71100044 is a deficient number, since it is larger than the sum of its proper divisors (53325040).

71100044 is a wasteful number, since it uses less digits than its factorization.

71100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17775015 (or 17775013 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 71100044 is about 8432.0842026156. The cubic root of 71100044 is about 414.2761737908.

The spelling of 71100044 in words is "seventy-one million, one hundred thousand, forty-four".

Divisors: 1 2 4 17775011 35550022 71100044