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7140036 = 223595003
BaseRepresentation
bin11011001111001011000100
3111102202021210
4123033023010
53311440121
6413011420
7114455301
oct33171304
914382253
107140036
114037462
122483b70
13162cb97
14d3c0a8
15960876
hex6cf2c4

7140036 has 12 divisors (see below), whose sum is σ = 16660112. Its totient is φ = 2380008.

The previous prime is 7140031. The next prime is 7140041. The reversal of 7140036 is 6300417.

It is an interprime number because it is at equal distance from previous prime (7140031) and next prime (7140041).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×71400362 = 101960228162592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7139994 and 7140021.

It is not an unprimeable number, because it can be changed into a prime (7140031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297490 + ... + 297513.

Almost surely, 27140036 is an apocalyptic number.

It is an amenable number.

7140036 is an abundant number, since it is smaller than the sum of its proper divisors (9520076).

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

7140036 is a wasteful number, since it uses less digits than its factorization.

7140036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595010 (or 595008 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 7140036 is about 2672.0845794997. The cubic root of 7140036 is about 192.5603206701.

The spelling of 7140036 in words is "seven million, one hundred forty thousand, thirty-six".

Divisors: 1 2 3 4 6 12 595003 1190006 1785009 2380012 3570018 7140036