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212240130 = 2358385237
BaseRepresentation
bin11001010011010…
…00011100000010
3112210100220201120
430221220130002
5413313141010
633021013110
75155003614
oct1451503402
9483326646
10212240130
11a9893173
125b0b4196
1334c8169b
142028adb4
1513975e70
hexca68702

212240130 has 32 divisors (see below), whose sum is σ = 515519424. Its totient is φ = 55914816.

The previous prime is 212240101. The next prime is 212240141. The reversal of 212240130 is 31042212.

212240130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40129 + ... + 45108.

It is an arithmetic number, because the mean of its divisors is an integer number (16109982).

Almost surely, 2212240130 is an apocalyptic number.

212240130 is an abundant number, since it is smaller than the sum of its proper divisors (303279294).

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

212240130 is a wasteful number, since it uses less digits than its factorization.

212240130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85330.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212240130 is about 14568.4635428723. The cubic root of 212240130 is about 596.4982414597.

Adding to 212240130 its reverse (31042212), we get a palindrome (243282342).

The spelling of 212240130 in words is "two hundred twelve million, two hundred forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 85237 170474 255711 426185 511422 852370 1278555 2557110 7074671 14149342 21224013 35373355 42448026 70746710 106120065 212240130