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148680457 is a prime number
BaseRepresentation
bin10001101110010…
…10111100001001
3101100202202020121
420313022330021
5301030233312
622430423241
73453522502
oct1067127411
9340682217
10148680457
1176a20912
1241961b21
1324a59403
1415a63ba9
15d0bd707
hex8dcaf09

148680457 has 2 divisors, whose sum is σ = 148680458. Its totient is φ = 148680456.

The previous prime is 148680451. The next prime is 148680479. The reversal of 148680457 is 754086841.

148680457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127667401 + 21013056 = 11299^2 + 4584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148680457 is a prime.

It is not a weakly prime, because it can be changed into another prime (148680451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74340228 + 74340229.

It is an arithmetic number, because the mean of its divisors is an integer number (74340229).

Almost surely, 2148680457 is an apocalyptic number.

It is an amenable number.

148680457 is a deficient number, since it is larger than the sum of its proper divisors (1).

148680457 is an equidigital number, since it uses as much as digits as its factorization.

148680457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 148680457 is about 12193.4595993098. The cubic root of 148680457 is about 529.7666671964.

The spelling of 148680457 in words is "one hundred forty-eight million, six hundred eighty thousand, four hundred fifty-seven".