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72476101 = 791735303
BaseRepresentation
bin1000101000111…
…10010111000101
312001101011112001
410110132113011
5122023213401
611105225301
71540015405
oct424362705
9161334461
1072476101
1137a02405
1220332231
1312027889
1498a8805
156569601
hex451e5c5

72476101 has 8 divisors (see below), whose sum is σ = 73831680. Its totient is φ = 71131632.

The previous prime is 72476099. The next prime is 72476119. The reversal of 72476101 is 10167427.

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 72476101 - 21 = 72476099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72476101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72471101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11016 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (9228960).

Almost surely, 272476101 is an apocalyptic number.

It is an amenable number.

72476101 is a deficient number, since it is larger than the sum of its proper divisors (1355579).

72476101 is a wasteful number, since it uses less digits than its factorization.

72476101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 72476101 is about 8513.2896696870. The cubic root of 72476101 is about 416.9317230503.

The spelling of 72476101 in words is "seventy-two million, four hundred seventy-six thousand, one hundred one".

Divisors: 1 79 173 5303 13667 418937 917419 72476101