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1230828726 = 23673061763
BaseRepresentation
bin100100101011100…
…1111010010110110
310011210000120121010
41021113033102312
510010043004401
6322044533050
742333604641
oct11127172266
93153016533
101230828726
11581852926
122a4251186
13167cc972a
14b9676a58
15730c9ed6
hex495cf4b6

1230828726 has 16 divisors (see below), whose sum is σ = 2498399424. Its totient is φ = 404152584.

The previous prime is 1230828707. The next prime is 1230828761. The reversal of 1230828726 is 6278280321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530480 + ... + 1531283.

It is an arithmetic number, because the mean of its divisors is an integer number (156149964).

Almost surely, 21230828726 is an apocalyptic number.

1230828726 is an abundant number, since it is smaller than the sum of its proper divisors (1267570698).

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

1230828726 is a wasteful number, since it uses less digits than its factorization.

1230828726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061835.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1230828726 is about 35083.1686995345. The cubic root of 1230828726 is about 1071.6818474400.

The spelling of 1230828726 in words is "one billion, two hundred thirty million, eight hundred twenty-eight thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 67 134 201 402 3061763 6123526 9185289 18370578 205138121 410276242 615414363 1230828726