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173228480 = 265541339
BaseRepresentation
bin10100101001101…
…00000111000000
3110001221220210122
422110310013000
5323321302410
625104515412
74202263205
oct1224640700
9401856718
10173228480
1189868137
124a01bb68
1329b72979
1419013cac
151031be55
hexa5341c0

173228480 has 28 divisors (see below), whose sum is σ = 412501080. Its totient is φ = 69291264.

The previous prime is 173228441. The next prime is 173228483. The reversal of 173228480 is 84822371.

It is a super-2 number, since 2×1732284802 = 60016212566220800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 173228480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173228483) 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, 270350 + ... + 270989.

Almost surely, 2173228480 is an apocalyptic number.

173228480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173228480 is an abundant number, since it is smaller than the sum of its proper divisors (239272600).

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

173228480 is an equidigital number, since it uses as much as digits as its factorization.

173228480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541356 (or 541346 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 173228480 is about 13161.6290784994. The cubic root of 173228480 is about 557.4506568835.

The spelling of 173228480 in words is "one hundred seventy-three million, two hundred twenty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 541339 1082678 2165356 2706695 4330712 5413390 8661424 10826780 17322848 21653560 34645696 43307120 86614240 173228480