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72461351 = 612275233
BaseRepresentation
bin1000101000110…
…10110000100111
312001100102021202
410110122300213
5122022230401
611105033115
71536624404
oct424326047
9161312252
1072461351
11379a2316
122032579b
1312020c51
1498a32ab
15656506b
hex451ac27

72461351 has 8 divisors (see below), whose sum is σ = 73987824. Its totient is φ = 70945920.

The previous prime is 72461329. The next prime is 72461377. The reversal of 72461351 is 15316427.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72461351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72460351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11231 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (9248478).

Almost surely, 272461351 is an apocalyptic number.

72461351 is a deficient number, since it is larger than the sum of its proper divisors (1526473).

72461351 is a wasteful number, since it uses less digits than its factorization.

72461351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521.

The product of its digits is 5040, while the sum is 29.

The square root of 72461351 is about 8512.4233329881. The cubic root of 72461351 is about 416.9034371277.

Adding to 72461351 its reverse (15316427), we get a palindrome (87777778).

The spelling of 72461351 in words is "seventy-two million, four hundred sixty-one thousand, three hundred fifty-one".

Divisors: 1 61 227 5233 13847 319213 1187891 72461351