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13750992 = 2433139229
BaseRepresentation
bin110100011101…
…001011010000
3221212121211000
4310131023100
512010012432
61210422000
7224611233
oct64351320
927777730
1013750992
117842362
124731900
132b05ca8
141b7d41a
15131957c
hexd1d2d0

13750992 has 80 divisors (see below), whose sum is σ = 39928000. Its totient is φ = 4530816.

The previous prime is 13750991. The next prime is 13750993. The reversal of 13750992 is 29905731.

It is an interprime number because it is at equal distance from previous prime (13750991) and next prime (13750993).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13750991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59934 + ... + 60162.

It is an arithmetic number, because the mean of its divisors is an integer number (499100).

Almost surely, 213750992 is an apocalyptic number.

13750992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13750992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19964000).

13750992 is an abundant number, since it is smaller than the sum of its proper divisors (26177008).

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

13750992 is a wasteful number, since it uses less digits than its factorization.

13750992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 13750992 is about 3708.2330023881. The cubic root of 13750992 is about 239.5767540340.

The spelling of 13750992 in words is "thirteen million, seven hundred fifty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 139 144 216 229 278 417 432 458 556 687 834 916 1112 1251 1374 1668 1832 2061 2224 2502 2748 3336 3664 3753 4122 5004 5496 6183 6672 7506 8244 10008 10992 12366 15012 16488 20016 24732 30024 31831 32976 49464 60048 63662 95493 98928 127324 190986 254648 286479 381972 509296 572958 763944 859437 1145916 1527888 1718874 2291832 3437748 4583664 6875496 13750992