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72948295 = 572390619
BaseRepresentation
bin1000101100100…
…01101001000111
312002021011020201
410112101221013
5122133321140
611123311331
71544023150
oct426215107
9162234221
1072948295
11381a5152
122051b547
1312161794
14998c927
15660e49a
hex4591a47

72948295 has 16 divisors (see below), whose sum is σ = 104394240. Its totient is φ = 47846304.

The previous prime is 72948289. The next prime is 72948373. The reversal of 72948295 is 59284927.

It is a cyclic number.

It is not a de Polignac number, because 72948295 - 23 = 72948287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44505 + ... + 46114.

It is an arithmetic number, because the mean of its divisors is an integer number (6524640).

Almost surely, 272948295 is an apocalyptic number.

72948295 is a deficient number, since it is larger than the sum of its proper divisors (31445945).

72948295 is a wasteful number, since it uses less digits than its factorization.

72948295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90654.

The product of its digits is 362880, while the sum is 46.

The square root of 72948295 is about 8540.9774030845. The cubic root of 72948295 is about 417.8352238519.

The spelling of 72948295 in words is "seventy-two million, nine hundred forty-eight thousand, two hundred ninety-five".

Divisors: 1 5 7 23 35 115 161 805 90619 453095 634333 2084237 3171665 10421185 14589659 72948295