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13202980 = 225794307
BaseRepresentation
bin110010010111…
…011000100100
3220211210002021
4302113120210
511334443410
61150552524
7220136440
oct62273044
926753067
1013202980
1174a865a
124508744
13297371b
141a79820
15125beda
hexc97624

13202980 has 24 divisors (see below), whose sum is σ = 31687488. Its totient is φ = 4526688.

The previous prime is 13202977. The next prime is 13202983. The reversal of 13202980 is 8920231.

It is an interprime number because it is at equal distance from previous prime (13202977) and next prime (13202983).

It is not an unprimeable number, because it can be changed into a prime (13202983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47014 + ... + 47293.

It is an arithmetic number, because the mean of its divisors is an integer number (1320312).

Almost surely, 213202980 is an apocalyptic number.

13202980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202980 is an abundant number, since it is smaller than the sum of its proper divisors (18484508).

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

13202980 is a wasteful number, since it uses less digits than its factorization.

13202980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94323 (or 94321 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13202980 is about 3633.5905107758. The cubic root of 13202980 is about 236.3509334217.

The spelling of 13202980 in words is "thirteen million, two hundred two thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 94307 188614 377228 471535 660149 943070 1320298 1886140 2640596 3300745 6601490 13202980