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72514049 is a prime number
BaseRepresentation
bin1000101001001…
…11101000000001
312001110002120112
410110213220001
5122030422144
611110121105
71540234136
oct424475001
9161402515
1072514049
1137a28973
1220350195
131203bc2a
1498b858d
15657599e
hex4527a01

72514049 has 2 divisors, whose sum is σ = 72514050. Its totient is φ = 72514048.

The previous prime is 72514031. The next prime is 72514063. The reversal of 72514049 is 94041527.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 23961025 = 6968^2 + 4895^2 .

It is an emirp because it is prime and its reverse (94041527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72514049 - 216 = 72448513 is a prime.

It is not a weakly prime, because it can be changed into another prime (72514019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36257024 + 36257025.

It is an arithmetic number, because the mean of its divisors is an integer number (36257025).

Almost surely, 272514049 is an apocalyptic number.

It is an amenable number.

72514049 is a deficient number, since it is larger than the sum of its proper divisors (1).

72514049 is an equidigital number, since it uses as much as digits as its factorization.

72514049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 72514049 is about 8515.5181286872. The cubic root of 72514049 is about 417.0044779043.

The spelling of 72514049 in words is "seventy-two million, five hundred fourteen thousand, forty-nine".