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2130310 = 257132341
BaseRepresentation
bin1000001000000110000110
311000020020101
420020012012
51021132220
6113354314
724051550
oct10100606
94006211
102130310
111225596
1286899a
13597850
143d64d0
152c130a
hex208186

2130310 has 32 divisors (see below), whose sum is σ = 4721472. Its totient is φ = 673920.

The previous prime is 2130307. The next prime is 2130341. The reversal of 2130310 is 130312.

2130310 = T376 + T377 + ... + T403.

It is a super-2 number, since 2×21303102 = 9076441392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 261 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (147546).

22130310 is an apocalyptic number.

2130310 is an abundant number, since it is smaller than the sum of its proper divisors (2591162).

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

2130310 is a wasteful number, since it uses less digits than its factorization.

2130310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2130310 is about 1459.5581523187. The cubic root of 2130310 is about 128.6710767756.

Adding to 2130310 its reverse (130312), we get a palindrome (2260622).

The spelling of 2130310 in words is "two million, one hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 2341 4682 11705 16387 23410 30433 32774 60866 81935 152165 163870 213031 304330 426062 1065155 2130310