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873398480 = 24510917481
BaseRepresentation
bin110100000011110…
…000000011010000
32020212110020110212
4310003300003100
53242042222410
6222355543252
730433523153
oct6403600320
92225406425
10873398480
11409013229
122045bab28
1310bc41546
1483dd3c9a
1551a24b05
hex340f00d0

873398480 has 20 divisors (see below), whose sum is σ = 2030651652. Its totient is φ = 349359360.

The previous prime is 873398473. The next prime is 873398489. The reversal of 873398480 is 84893378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519657616 + 353740864 = 22796^2 + 18808^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873398489) 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, 5458661 + ... + 5458820.

Almost surely, 2873398480 is an apocalyptic number.

873398480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

873398480 is an abundant number, since it is smaller than the sum of its proper divisors (1157253172).

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

873398480 is a wasteful number, since it uses less digits than its factorization.

873398480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917494 (or 10917488 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 873398480 is about 29553.3158884075. The cubic root of 873398480 is about 955.8816926128.

The spelling of 873398480 in words is "eight hundred seventy-three million, three hundred ninety-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 10917481 21834962 43669924 54587405 87339848 109174810 174679696 218349620 436699240 873398480