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72841053 = 3197912269
BaseRepresentation
bin1000101011101…
…11011101011101
312002001201010210
410111313131131
5122121403203
611121123033
71543065405
oct425673535
9162051123
1072841053
113813161a
1220489479
1312124a1c
149961805
1565dc803
hex457775d

72841053 has 8 divisors (see below), whose sum is σ = 97178400. Its totient is φ = 48532208.

The previous prime is 72841037. The next prime is 72841151. The reversal of 72841053 is 35014827.

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

It is a cyclic number.

It is not a de Polignac number, because 72841053 - 24 = 72841037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72841053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72841453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (12147300).

Almost surely, 272841053 is an apocalyptic number.

It is an amenable number.

72841053 is a deficient number, since it is larger than the sum of its proper divisors (24337347).

72841053 is a wasteful number, since it uses less digits than its factorization.

72841053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14251.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 72841053 is about 8534.6970069241. The cubic root of 72841053 is about 417.6303688866.

The spelling of 72841053 in words is "seventy-two million, eight hundred forty-one thousand, fifty-three".

Divisors: 1 3 1979 5937 12269 36807 24280351 72841053