Search a number
-
+
14970980 = 225977717
BaseRepresentation
bin111001000111…
…000001100100
31001011121022202
4321013001210
512313032410
61252514032
7241152113
oct71070144
931147282
1014970980
1184a5a12
12501b918
13314238b
141db9c7a
1514aaca5
hexe47064

14970980 has 24 divisors (see below), whose sum is σ = 31767288. Its totient is φ = 5925888.

The previous prime is 14970973. The next prime is 14971001. The reversal of 14970980 is 8907941.

It can be written as a sum of positive squares in 4 ways, for example, as 1236544 + 13734436 = 1112^2 + 3706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (1323637).

Almost surely, 214970980 is an apocalyptic number.

14970980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14970980 is an abundant number, since it is smaller than the sum of its proper divisors (16796308).

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

14970980 is a wasteful number, since it uses less digits than its factorization.

14970980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 14970980 is about 3869.2350665215. The cubic root of 14970980 is about 246.4620614810.

The spelling of 14970980 in words is "fourteen million, nine hundred seventy thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 7717 15434 30868 38585 77170 154340 748549 1497098 2994196 3742745 7485490 14970980