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13830437 is a prime number
BaseRepresentation
bin110100110000…
…100100100101
3222000122210102
4310300210211
512020033222
61212233445
7225361655
oct64604445
928018712
1013830437
117897015
12476b885
132b331ba
141ba0365
151332d92
hexd30925

13830437 has 2 divisors, whose sum is σ = 13830438. Its totient is φ = 13830436.

The previous prime is 13830431. The next prime is 13830457. The reversal of 13830437 is 73403831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10329796 + 3500641 = 3214^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 13830437 - 220 = 12781861 is a prime.

It is a super-2 number, since 2×138304372 = 382561975221938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13830431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915218 + 6915219.

It is an arithmetic number, because the mean of its divisors is an integer number (6915219).

Almost surely, 213830437 is an apocalyptic number.

It is an amenable number.

13830437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830437 is an equidigital number, since it uses as much as digits as its factorization.

13830437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13830437 is about 3718.9295502873. The cubic root of 13830437 is about 240.0372453770.

The spelling of 13830437 in words is "thirteen million, eight hundred thirty thousand, four hundred thirty-seven".