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13960943 = 31716343
BaseRepresentation
bin110101010000…
…011011101111
3222021021210222
4311100123233
512033222233
61215121555
7226444313
oct65203357
928237728
1013960943
117976077
1248132bb
132b7a719
141bd5b43
15135b898
hexd506ef

13960943 has 8 divisors (see below), whose sum is σ = 14616576. Its totient is φ = 13318200.

The previous prime is 13960937. The next prime is 13960949. The reversal of 13960943 is 34906931.

It is an interprime number because it is at equal distance from previous prime (13960937) and next prime (13960949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13960943 - 26 = 13960879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13960949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (1827072).

Almost surely, 213960943 is an apocalyptic number.

13960943 is a deficient number, since it is larger than the sum of its proper divisors (655633).

13960943 is an equidigital number, since it uses as much as digits as its factorization.

13960943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 13960943 is about 3736.4345304046. The cubic root of 13960943 is about 240.7898916574.

The spelling of 13960943 in words is "thirteen million, nine hundred sixty thousand, nine hundred forty-three".

Divisors: 1 31 71 2201 6343 196633 450353 13960943