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13994946 = 23271091019
BaseRepresentation
bin110101011000…
…101111000010
3222100000110100
4311120233002
512040314241
61215543230
7226645410
oct65305702
928300410
1013994946
117999679
12482ab16
132b90044
141c042b0
1513669b6
hexd58bc2

13994946 has 48 divisors (see below), whose sum is σ = 35006400. Its totient is φ = 3957984.

The previous prime is 13994941. The next prime is 13994947. The reversal of 13994946 is 64949931.

13994946 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13994941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13225 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (729300).

Almost surely, 213994946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13994946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17503200).

13994946 is an abundant number, since it is smaller than the sum of its proper divisors (21011454).

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

13994946 is a wasteful number, since it uses less digits than its factorization.

13994946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1140 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 13994946 is about 3740.9819566526. The cubic root of 13994946 is about 240.9852208817.

The spelling of 13994946 in words is "thirteen million, nine hundred ninety-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 109 126 218 327 654 763 981 1019 1526 1962 2038 2289 3057 4578 6114 6867 7133 9171 13734 14266 18342 21399 42798 64197 111071 128394 222142 333213 666426 777497 999639 1554994 1999278 2332491 4664982 6997473 13994946