Search a number
-
+
13319970 = 235443999
BaseRepresentation
bin110010110011…
…111100100010
3221001201120020
4302303330202
511402214340
61153254310
7221134506
oct62637442
927051506
1013319970
117578544
124564396
1329b4a51
141aaa306
1512819d0
hexcb3f22

13319970 has 16 divisors (see below), whose sum is σ = 31968000. Its totient is φ = 3551984.

The previous prime is 13319951. The next prime is 13319989. The reversal of 13319970 is 7991331.

It is an interprime number because it is at equal distance from previous prime (13319951) and next prime (13319989).

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 221970 + ... + 222029.

It is an arithmetic number, because the mean of its divisors is an integer number (1998000).

Almost surely, 213319970 is an apocalyptic number.

13319970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13319970 is an abundant number, since it is smaller than the sum of its proper divisors (18648030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13319970 is a wasteful number, since it uses less digits than its factorization.

13319970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444009.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 13319970 is about 3649.6534082019. The cubic root of 13319970 is about 237.0469739004.

The spelling of 13319970 in words is "thirteen million, three hundred nineteen thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 443999 887998 1331997 2219995 2663994 4439990 6659985 13319970