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72872895 = 354858193
BaseRepresentation
bin1000101011111…
…11001110111111
312002010022211010
410111333032333
5122123413040
611121530303
71543260264
oct425771677
9162108733
1072872895
1138153537
12204a3993
1312136374
14996d26b
1565e6e80
hex457f3bf

72872895 has 8 divisors (see below), whose sum is σ = 116596656. Its totient is φ = 38865536.

The previous prime is 72872887. The next prime is 72872929. The reversal of 72872895 is 59827827.

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 72872895 - 23 = 72872887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429082 + ... + 2429111.

It is an arithmetic number, because the mean of its divisors is an integer number (14574582).

Almost surely, 272872895 is an apocalyptic number.

72872895 is a deficient number, since it is larger than the sum of its proper divisors (43723761).

72872895 is a wasteful number, since it uses less digits than its factorization.

72872895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858201.

The product of its digits is 564480, while the sum is 48.

The square root of 72872895 is about 8536.5622471812. The cubic root of 72872895 is about 417.6912148354.

The spelling of 72872895 in words is "seventy-two million, eight hundred seventy-two thousand, eight hundred ninety-five".

Divisors: 1 3 5 15 4858193 14574579 24290965 72872895