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2132730 = 23452633
BaseRepresentation
bin1000001000101011111010
311000100120000
420020223322
51021221410
6113413430
724061605
oct10105372
94010500
102132730
111227396
1286a276
13598992
143d733c
152c1dc0
hex208afa

2132730 has 40 divisors (see below), whose sum is σ = 5736852. Its totient is φ = 568512.

The previous prime is 2132699. The next prime is 2132749. The reversal of 2132730 is 372312.

It can be written as a sum of positive squares in 2 ways, for example, as 1996569 + 136161 = 1413^2 + 369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 507 + ... + 2126.

22132730 is an apocalyptic number.

2132730 is an abundant number, since it is smaller than the sum of its proper divisors (3604122).

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

2132730 is a wasteful number, since it uses less digits than its factorization.

2132730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2132730 is about 1460.3869350278. The cubic root of 2132730 is about 128.7197811380.

The spelling of 2132730 in words is "two million, one hundred thirty-two thousand, seven hundred thirty".