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415807028 = 227135632029
BaseRepresentation
bin11000110010001…
…011011000110100
31001222102012000022
4120302023120310
51322421311103
6105132104312
713206205250
oct3062133064
91058365008
10415807028
111a3791a7a
12b7305098
13681b7380
143d31b260
1526787138
hex18c8b634

415807028 has 48 divisors (see below), whose sum is σ = 897617280. Its totient is φ = 164121984.

The previous prime is 415807013. The next prime is 415807037. The reversal of 415807028 is 820708514.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203918 + ... + 205946.

It is an arithmetic number, because the mean of its divisors is an integer number (18700360).

Almost surely, 2415807028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 415807028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448808640).

415807028 is an abundant number, since it is smaller than the sum of its proper divisors (481810252).

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

415807028 is a wasteful number, since it uses less digits than its factorization.

415807028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2614 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 415807028 is about 20391.3468902866. The cubic root of 415807028 is about 746.3867856033.

The spelling of 415807028 in words is "four hundred fifteen million, eight hundred seven thousand, twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 563 1126 2029 2252 3941 4058 7319 7882 8116 14203 14638 15764 26377 28406 29276 51233 52754 56812 102466 105508 184639 204932 369278 738556 1142327 2284654 4569308 7996289 14850251 15992578 29700502 31985156 59401004 103951757 207903514 415807028