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1230302130 = 235155326407
BaseRepresentation
bin100100101010100…
…1110101110110010
310011202000211020120
41021111032232302
510004424132010
6322025351110
742326252451
oct11125165662
93152024216
101230302130
11581523222
122a4038496
13167b73b35
14b957ab98
1573023e70
hex4954ebb2

1230302130 has 32 divisors (see below), whose sum is σ = 2954738304. Its totient is φ = 327856896.

The previous prime is 1230302123. The next prime is 1230302159. The reversal of 1230302130 is 312030321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33387 + ... + 59793.

It is an arithmetic number, because the mean of its divisors is an integer number (92335572).

Almost surely, 21230302130 is an apocalyptic number.

1230302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230302130 is an abundant number, since it is smaller than the sum of its proper divisors (1724436174).

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

1230302130 is a wasteful number, since it uses less digits than its factorization.

1230302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27970.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1230302130 is about 35075.6629302997. The cubic root of 1230302130 is about 1071.5289900293.

Adding to 1230302130 its reverse (312030321), we get a palindrome (1542332451).

Subtracting from 1230302130 its reverse (312030321), we obtain a square (918271809 = 303032).

The spelling of 1230302130 in words is "one billion, two hundred thirty million, three hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1553 3106 4659 7765 9318 15530 23295 26407 46590 52814 79221 132035 158442 264070 396105 792210 41010071 82020142 123030213 205050355 246060426 410100710 615151065 1230302130