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72350 = 2521447
BaseRepresentation
bin10001101010011110
310200020122
4101222132
54303400
61314542
7420635
oct215236
9120218
1072350
114a3a3
1235a52
1326c15
141c51c
1516685
hex11a9e

72350 has 12 divisors (see below), whose sum is σ = 134664. Its totient is φ = 28920.

The previous prime is 72341. The next prime is 72353. The reversal of 72350 is 5327.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72353) by changing a digit.

72350 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (11222).

272350 is an apocalyptic number.

72350 is a deficient number, since it is larger than the sum of its proper divisors (62314).

72350 is a wasteful number, since it uses less digits than its factorization.

72350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 72350 is about 268.9795531263. The cubic root of 72350 is about 41.6689776496.

Adding to 72350 its reverse (5327), we get a palindrome (77677).

It can be divided in two parts, 72 and 350, that multiplied together give a triangular number (25200 = T224).

The spelling of 72350 in words is "seventy-two thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 1447 2894 7235 14470 36175 72350