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13951002 = 2313178859
BaseRepresentation
bin110101001110…
…000000011010
3222020210011210
4311032000122
512032413002
61215003550
7226403322
oct65160032
928223153
1013951002
11796965a
1248095b6
132b76040
141bd2282
15135896c
hexd4e01a

13951002 has 16 divisors (see below), whose sum is σ = 30048480. Its totient is φ = 4292592.

The previous prime is 13950991. The next prime is 13951009. The reversal of 13951002 is 20015931.

It is a self number, because there is not a number n which added to its sum of digits gives 13951002.

It is not an unprimeable number, because it can be changed into a prime (13951009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89352 + ... + 89507.

It is an arithmetic number, because the mean of its divisors is an integer number (1878030).

Almost surely, 213951002 is an apocalyptic number.

13951002 is an abundant number, since it is smaller than the sum of its proper divisors (16097478).

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

13951002 is a wasteful number, since it uses less digits than its factorization.

13951002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178877.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 13951002 is about 3735.1040146159. The cubic root of 13951002 is about 240.7327259706.

Adding to 13951002 its reverse (20015931), we get a palindrome (33966933).

The spelling of 13951002 in words is "thirteen million, nine hundred fifty-one thousand, two".

Divisors: 1 2 3 6 13 26 39 78 178859 357718 536577 1073154 2325167 4650334 6975501 13951002