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2215140532 = 2211371913537
BaseRepresentation
bin1000010000001000…
…0101110010110100
312201101011210112221
42010002011302310
514014033444112
61003450052124
7105615245443
oct20402056264
95641153487
102215140532
11a37430960
12519a1a044
13293c02c57
1417029cd5a
15ce70ce07
hex84085cb4

2215140532 has 24 divisors (see below), whose sum is σ = 4230354240. Its totient is φ = 1006536960.

The previous prime is 2215140527. The next prime is 2215140539. The reversal of 2215140532 is 2350415122.

It is a junction number, because it is equal to n+sod(n) for n = 2215140497 and 2215140506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215140539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 156868 + ... + 170404.

It is an arithmetic number, because the mean of its divisors is an integer number (176264760).

Almost surely, 22215140532 is an apocalyptic number.

2215140532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2215140532 is a deficient number, since it is larger than the sum of its proper divisors (2015213708).

2215140532 is a wasteful number, since it uses less digits than its factorization.

2215140532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17271 (or 17269 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2215140532 is about 47065.2794743641. The cubic root of 2215140532 is about 1303.5682112929.

Adding to 2215140532 its reverse (2350415122), we get a palindrome (4565555654).

The spelling of 2215140532 in words is "two billion, two hundred fifteen million, one hundred forty thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 44 3719 7438 13537 14876 27074 40909 54148 81818 148907 163636 297814 595628 50344103 100688206 201376412 553785133 1107570266 2215140532