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13962420 = 2232577569
BaseRepresentation
bin110101010000…
…110010110100
3222021100211200
4311100302310
512033244140
61215132500
7226451523
oct65206264
928240750
1013962420
11797719a
124814130
132b7b2b4
141bd64ba
15135c030
hexd50cb4

13962420 has 36 divisors (see below), whose sum is σ = 42353220. Its totient is φ = 3723264.

The previous prime is 13962413. The next prime is 13962433. The reversal of 13962420 is 2426931.

13962420 is a `hidden beast` number, since 1 + 39 + 624 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5702544 + 8259876 = 2388^2 + 2874^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38605 + ... + 38964.

Almost surely, 213962420 is an apocalyptic number.

13962420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13962420 is an abundant number, since it is smaller than the sum of its proper divisors (28390800).

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

13962420 is a wasteful number, since it uses less digits than its factorization.

13962420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77584 (or 77579 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13962420 is about 3736.6321734953. The cubic root of 13962420 is about 240.7983828252.

The spelling of 13962420 in words is "thirteen million, nine hundred sixty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 77569 155138 232707 310276 387845 465414 698121 775690 930828 1163535 1396242 1551380 2327070 2792484 3490605 4654140 6981210 13962420