Search a number
-
+
80315912 = 2310793827
BaseRepresentation
bin1001100100110…
…00011000001000
312121010110201102
410302120120020
5131030102122
611545240532
71663450115
oct462303010
9177113642
1080315912
1141377596
1222a93148
1313841111
14a94990c
1570b7492
hex4c98608

80315912 has 16 divisors (see below), whose sum is σ = 152001360. Its totient is φ = 39782224.

The previous prime is 80315909. The next prime is 80315927. The reversal of 80315912 is 21951308.

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, 46058 + ... + 47769.

It is an arithmetic number, because the mean of its divisors is an integer number (9500085).

Almost surely, 280315912 is an apocalyptic number.

It is an amenable number.

80315912 is a deficient number, since it is larger than the sum of its proper divisors (71685448).

80315912 is a wasteful number, since it uses less digits than its factorization.

80315912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93940 (or 93936 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 80315912 is about 8961.9145275996. The cubic root of 80315912 is about 431.4533695420.

The spelling of 80315912 in words is "eighty million, three hundred fifteen thousand, nine hundred twelve".

Divisors: 1 2 4 8 107 214 428 856 93827 187654 375308 750616 10039489 20078978 40157956 80315912