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2771130 = 235711301
BaseRepresentation
bin1010100100100010111010
312012210021110
422210202322
51202134010
6135221150
732361045
oct12444272
95183243
102771130
111622a9a
12b177b6
1376042b
14521c5c
1539b120
hex2a48ba

2771130 has 32 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 728000.

The previous prime is 2771123. The next prime is 2771141. The reversal of 2771130 is 311772.

It is a super-2 number, since 2×27711302 = 15358322953800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2771097 and 2771106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (210924).

22771130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2771130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3374784).

2771130 is an abundant number, since it is smaller than the sum of its proper divisors (3978438).

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

2771130 is a wasteful number, since it uses less digits than its factorization.

2771130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 2771130 is about 1664.6711386938. The cubic root of 2771130 is about 140.4598822488.

The spelling of 2771130 in words is "two million, seven hundred seventy-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 1301 2130 2602 3903 6505 7806 13010 19515 39030 92371 184742 277113 461855 554226 923710 1385565 2771130