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2149092 = 22361167
BaseRepresentation
bin1000001100101011100100
311001012000000
420030223210
51022232332
6114021300
724160401
oct10145344
94035000
102149092
111238710
12877830
135a326a
143dd2a8
152c6b7c
hex20cae4

2149092 has 84 divisors (see below), whose sum is σ = 6243216. Its totient is φ = 641520.

The previous prime is 2149087. The next prime is 2149093. The reversal of 2149092 is 2909412.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2149093) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 32043 + ... + 32109.

It is an arithmetic number, because the mean of its divisors is an integer number (74324).

22149092 is an apocalyptic number.

2149092 is a gapful number since it is divisible by the number (22) 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 2149092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121608).

2149092 is an abundant number, since it is smaller than the sum of its proper divisors (4094124).

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

2149092 is a wasteful number, since it uses less digits than its factorization.

2149092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2149092 is about 1465.9781717338. The cubic root of 2149092 is about 129.0481161773.

The spelling of 2149092 in words is "two million, one hundred forty-nine thousand, ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 67 81 99 108 132 134 162 198 201 243 268 297 324 396 402 486 594 603 729 737 804 891 972 1188 1206 1458 1474 1782 1809 2211 2412 2673 2916 2948 3564 3618 4422 5346 5427 6633 7236 8019 8844 10692 10854 13266 16038 16281 19899 21708 26532 32076 32562 39798 48843 59697 65124 79596 97686 119394 179091 195372 238788 358182 537273 716364 1074546 2149092