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2860130 = 257213449
BaseRepresentation
bin1010111010010001100010
312101022100202
422322101202
51213011010
6141145202
733211400
oct12722142
95338322
102860130
111683949
12b5b202
13791ab0
14546470
153b76a5
hex2ba462

2860130 has 48 divisors (see below), whose sum is σ = 6463800. Its totient is φ = 903168.

The previous prime is 2860129. The next prime is 2860133. The reversal of 2860130 is 310682.

It can be written as a sum of positive squares in 4 ways, for example, as 1940449 + 919681 = 1393^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (2860133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6146 + ... + 6594.

22860130 is an apocalyptic number.

2860130 is an abundant number, since it is smaller than the sum of its proper divisors (3603670).

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

2860130 is a wasteful number, since it uses less digits than its factorization.

2860130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2860130 is about 1691.1918873978. The cubic root of 2860130 is about 141.9477755451.

The spelling of 2860130 in words is "two million, eight hundred sixty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 449 455 490 637 898 910 1274 2245 3143 3185 4490 5837 6286 6370 11674 15715 22001 29185 31430 40859 44002 58370 81718 110005 204295 220010 286013 408590 572026 1430065 2860130