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73124 = 22101181
BaseRepresentation
bin10001110110100100
310201022022
4101312210
54314444
61322312
7423122
oct216644
9121268
1073124
114aa37
1236398
132738c
141c912
15169ee
hex11da4

73124 has 12 divisors (see below), whose sum is σ = 129948. Its totient is φ = 36000.

The previous prime is 73121. The next prime is 73127. The reversal of 73124 is 42137.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73121) and next prime (73127).

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 40000 = 182^2 + 200^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (73121) 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, 314 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (10829).

273124 is an apocalyptic number.

It is an amenable number.

73124 is a deficient number, since it is larger than the sum of its proper divisors (56824).

73124 is a wasteful number, since it uses less digits than its factorization.

73124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 284 counting only the distinct ones).

The product of its digits is 168, while the sum is 17.

The square root of 73124 is about 270.4144966528. The cubic root of 73124 is about 41.8170424161.

The spelling of 73124 in words is "seventy-three thousand, one hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 101 181 202 362 404 724 18281 36562 73124