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13091094 = 23223103307
BaseRepresentation
bin110001111100…
…000100010110
3220122002121100
4301330010112
511322403334
61144330530
7216162312
oct61740426
926562540
1013091094
117431595
124473a46
132934813
141a4ab42
151238c99
hexc7c116

13091094 has 48 divisors (see below), whose sum is σ = 29981952. Its totient is φ = 4119984.

The previous prime is 13091087. The next prime is 13091101. The reversal of 13091094 is 49019031.

It is an interprime number because it is at equal distance from previous prime (13091087) and next prime (13091101).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 42489 + ... + 42795.

It is an arithmetic number, because the mean of its divisors is an integer number (624624).

Almost surely, 213091094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13091094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14990976).

13091094 is an abundant number, since it is smaller than the sum of its proper divisors (16890858).

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

13091094 is a wasteful number, since it uses less digits than its factorization.

13091094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 13091094 is about 3618.1616879294. The cubic root of 13091094 is about 235.6814024179.

The spelling of 13091094 in words is "thirteen million, ninety-one thousand, ninety-four".

Divisors: 1 2 3 6 9 18 23 46 69 103 138 206 207 307 309 414 614 618 921 927 1842 1854 2369 2763 4738 5526 7061 7107 14122 14214 21183 21321 31621 42366 42642 63242 63549 94863 127098 189726 284589 569178 727283 1454566 2181849 4363698 6545547 13091094