Search a number
-
+
1092980 = 225737211
BaseRepresentation
bin100001010110101110100
32001112021202
410022311310
5234433410
635232032
712201350
oct4126564
92045252
101092980
11687199
12448618
132c3645
14206460
15168ca5
hex10ad74

1092980 has 48 divisors (see below), whose sum is σ = 2706816. Its totient is φ = 362880.

The previous prime is 1092977. The next prime is 1092989. The reversal of 1092980 is 892901.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5075 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (56392).

21092980 is an apocalyptic number.

1092980 is a gapful number since it is divisible by the number (10) 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 1092980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353408).

1092980 is an abundant number, since it is smaller than the sum of its proper divisors (1613836).

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

1092980 is a wasteful number, since it uses less digits than its factorization.

1092980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1092980 is about 1045.4568379422. The cubic root of 1092980 is about 103.0079486121.

The spelling of 1092980 in words is "one million, ninety-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 211 259 370 422 518 740 844 1036 1055 1295 1477 2110 2590 2954 4220 5180 5908 7385 7807 14770 15614 29540 31228 39035 54649 78070 109298 156140 218596 273245 546490 1092980