Search a number
-
+
71873036 = 2223975181
BaseRepresentation
bin1000100100010…
…11001000001100
312000020112021022
410102023020030
5121344414121
611044253312
71531624244
oct422131014
9160215238
1071873036
1137630304
12200a1238
1311b76231
14978cb24
15649aaab
hex448b20c

71873036 has 12 divisors (see below), whose sum is σ = 126305760. Its totient is φ = 35785680.

The previous prime is 71873027. The next prime is 71873051. The reversal of 71873036 is 63037817.

It is a junction number, because it is equal to n+sod(n) for n = 71872987 and 71873005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36635 + ... + 38546.

It is an arithmetic number, because the mean of its divisors is an integer number (10525480).

Almost surely, 271873036 is an apocalyptic number.

It is an amenable number.

71873036 is a deficient number, since it is larger than the sum of its proper divisors (54432724).

71873036 is a wasteful number, since it uses less digits than its factorization.

71873036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75424 (or 75422 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 71873036 is about 8477.7966477145. The cubic root of 71873036 is about 415.7720876203.

The spelling of 71873036 in words is "seventy-one million, eight hundred seventy-three thousand, thirty-six".

Divisors: 1 2 4 239 478 956 75181 150362 300724 17968259 35936518 71873036