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1082113280 = 2853127271
BaseRepresentation
bin100000001111111…
…1011110100000000
32210102012001100122
41000133323310000
54204010111110
6255213235412
735546545133
oct10037736400
92712161318
101082113280
115059087a6
12262492b68
1314325a421
14a3a0421a
1565001255
hex407fbd00

1082113280 has 72 divisors (see below), whose sum is σ = 2675710464. Its totient is φ = 418867200.

The previous prime is 1082113273. The next prime is 1082113283. The reversal of 1082113280 is 823112801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082113283) 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, 26045 + ... + 53315.

Almost surely, 21082113280 is an apocalyptic number.

1082113280 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 1082113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337855232).

1082113280 is an abundant number, since it is smaller than the sum of its proper divisors (1593597184).

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

1082113280 is an equidigital number, since it uses as much as digits as its factorization.

1082113280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27323 (or 27309 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1082113280 is about 32895.4902684243. The cubic root of 1082113280 is about 1026.6543279190.

The spelling of 1082113280 in words is "one billion, eighty-two million, one hundred thirteen thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 256 310 320 496 620 640 992 1240 1280 1984 2480 3968 4960 7936 9920 19840 27271 39680 54542 109084 136355 218168 272710 436336 545420 845401 872672 1090840 1690802 1745344 2181680 3381604 3490688 4227005 4363360 6763208 6981376 8454010 8726720 13526416 16908020 17453440 27052832 33816040 34906880 54105664 67632080 108211328 135264160 216422656 270528320 541056640 1082113280