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72653342 = 2172136863
BaseRepresentation
bin1000101010010…
…01101000011110
312001201011122112
410111021220132
5122044401332
611113114022
71541354216
oct425115036
9161634575
1072653342
1138013593
12203b8912
131208a458
149913246
1565a1db2
hex4549a1e

72653342 has 8 divisors (see below), whose sum is σ = 115390656. Its totient is φ = 34189792.

The previous prime is 72653341. The next prime is 72653351. The reversal of 72653342 is 24335627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72653299 and 72653308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72653341) 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, 1068398 + ... + 1068465.

It is an arithmetic number, because the mean of its divisors is an integer number (14423832).

Almost surely, 272653342 is an apocalyptic number.

72653342 is a deficient number, since it is larger than the sum of its proper divisors (42737314).

72653342 is a wasteful number, since it uses less digits than its factorization.

72653342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136882.

The product of its digits is 30240, while the sum is 32.

The square root of 72653342 is about 8523.6929789851. The cubic root of 72653342 is about 417.2713165498.

Adding to 72653342 its reverse (24335627), we get a palindrome (96988969).

The spelling of 72653342 in words is "seventy-two million, six hundred fifty-three thousand, three hundred forty-two".

Divisors: 1 2 17 34 2136863 4273726 36326671 72653342