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13860541 is a prime number
BaseRepresentation
bin110100110111…
…111010111101
3222002012002101
4310313322331
512022014131
61213025101
7225545512
oct64677275
928065071
1013860541
1179076a2
124785191
132b43b06
141bab309
15133bc61
hexd37ebd

13860541 has 2 divisors, whose sum is σ = 13860542. Its totient is φ = 13860540.

The previous prime is 13860493. The next prime is 13860551. The reversal of 13860541 is 14506831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11758041 + 2102500 = 3429^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 13860541 - 223 = 5471933 is a prime.

It is a super-2 number, since 2×138605412 = 384229193625362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13860551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930270 + 6930271.

It is an arithmetic number, because the mean of its divisors is an integer number (6930271).

Almost surely, 213860541 is an apocalyptic number.

It is an amenable number.

13860541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13860541 is an equidigital number, since it uses as much as digits as its factorization.

13860541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13860541 is about 3722.9747514588. The cubic root of 13860541 is about 240.2112780724.

The spelling of 13860541 in words is "thirteen million, eight hundred sixty thousand, five hundred forty-one".