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13980196 = 223495049
BaseRepresentation
bin110101010101…
…001000100100
3222022021020001
4311111020210
512034331241
61215351044
7226554406
oct65251044
928267201
1013980196
11798958a
124822484
132b86409
141bdcb76
151362431
hexd55224

13980196 has 6 divisors (see below), whose sum is σ = 24465350. Its totient is φ = 6990096.

The previous prime is 13980193. The next prime is 13980269. The reversal of 13980196 is 69108931.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 22500 = 3736^2 + 150^2 .

It is not an unprimeable number, because it can be changed into a prime (13980193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747521 + ... + 1747528.

Almost surely, 213980196 is an apocalyptic number.

It is an amenable number.

13980196 is a deficient number, since it is larger than the sum of its proper divisors (10485154).

13980196 is a wasteful number, since it uses less digits than its factorization.

13980196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495053 (or 3495051 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 13980196 is about 3739.0100294062. The cubic root of 13980196 is about 240.9005288434.

The spelling of 13980196 in words is "thirteen million, nine hundred eighty thousand, one hundred ninety-six".

Divisors: 1 2 4 3495049 6990098 13980196