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7530130 = 256711239
BaseRepresentation
bin11100101110011010010010
3112011120101201
4130232122102
53411431010
6425221414
7121001506
oct34563222
915146351
107530130
114283553
12263186a
1317385ca
141000306
159db23a
hex72e692

7530130 has 16 divisors (see below), whose sum is σ = 13757760. Its totient is φ = 2966832.

The previous prime is 7530121. The next prime is 7530139. The reversal of 7530130 is 310357.

It is an interprime number because it is at equal distance from previous prime (7530121) and next prime (7530139).

It is a junction number, because it is equal to n+sod(n) for n = 7530098 and 7530107.

It is not an unprimeable number, because it can be changed into a prime (7530139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4950 + ... + 6289.

It is an arithmetic number, because the mean of its divisors is an integer number (859860).

Almost surely, 27530130 is an apocalyptic number.

7530130 is a deficient number, since it is larger than the sum of its proper divisors (6227630).

7530130 is a wasteful number, since it uses less digits than its factorization.

7530130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 7530130 is about 2744.1082340170. The cubic root of 7530130 is about 196.0051539669.

Adding to 7530130 its reverse (310357), we get a palindrome (7840487).

The spelling of 7530130 in words is "seven million, five hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 11239 22478 56195 112390 753013 1506026 3765065 7530130