Search a number
-
+
71965052 = 2291919577
BaseRepresentation
bin1000100101000…
…01100101111100
312000102012111022
410102201211330
5121410340202
611050243312
71532456435
oct422414574
9160365438
1071965052
1137693455
1220126538
1311ba9093
1497b448c
1564b7ea2
hex44a197c

71965052 has 12 divisors (see below), whose sum is σ = 126082320. Its totient is φ = 35941536.

The previous prime is 71965021. The next prime is 71965081. The reversal of 71965052 is 25056917.

It is a congruent number.

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, 6113 + ... + 13464.

It is an arithmetic number, because the mean of its divisors is an integer number (10506860).

Almost surely, 271965052 is an apocalyptic number.

It is an amenable number.

71965052 is a deficient number, since it is larger than the sum of its proper divisors (54117268).

71965052 is a wasteful number, since it uses less digits than its factorization.

71965052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500 (or 20498 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 71965052 is about 8483.2217936348. The cubic root of 71965052 is about 415.9494437452.

The spelling of 71965052 in words is "seventy-one million, nine hundred sixty-five thousand, fifty-two".

Divisors: 1 2 4 919 1838 3676 19577 39154 78308 17991263 35982526 71965052