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13273950 = 235288493
BaseRepresentation
bin110010101000…
…101101011110
3220222101102210
4302220231132
511344231300
61152301250
7220553364
oct62505536
926871383
1013273950
117546a08
124541826
132999b11
141a97634
151273050
hexca8b5e

13273950 has 24 divisors (see below), whose sum is σ = 32919768. Its totient is φ = 3539680.

The previous prime is 13273943. The next prime is 13273969. The reversal of 13273950 is 5937231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 44097 + ... + 44396.

It is an arithmetic number, because the mean of its divisors is an integer number (1371657).

Almost surely, 213273950 is an apocalyptic number.

13273950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13273950 is an abundant number, since it is smaller than the sum of its proper divisors (19645818).

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

13273950 is a wasteful number, since it uses less digits than its factorization.

13273950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88508 (or 88503 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13273950 is about 3643.3432448783. The cubic root of 13273950 is about 236.7736627445.

The spelling of 13273950 in words is "thirteen million, two hundred seventy-three thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 88493 176986 265479 442465 530958 884930 1327395 2212325 2654790 4424650 6636975 13273950