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1474120621 is a prime number
BaseRepresentation
bin101011111011101…
…0100101110101101
310210201211002100001
41113313110232231
511004333324441
6402135304301
751346550521
oct12767245655
93721732301
101474120621
11697114706
1235181b091
131a6530a2c
14ddac7d81
1589636731
hex57dd4bad

1474120621 has 2 divisors, whose sum is σ = 1474120622. Its totient is φ = 1474120620.

The previous prime is 1474120607. The next prime is 1474120631. The reversal of 1474120621 is 1260214741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1206798121 + 267322500 = 34739^2 + 16350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474120621 - 27 = 1474120493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1474120621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1474120631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737060310 + 737060311.

It is an arithmetic number, because the mean of its divisors is an integer number (737060311).

Almost surely, 21474120621 is an apocalyptic number.

It is an amenable number.

1474120621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1474120621 is an equidigital number, since it uses as much as digits as its factorization.

1474120621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1474120621 is about 38394.2784930255. The cubic root of 1474120621 is about 1138.0927946854.

It can be divided in two parts, 1474120 and 621, that added together give a palindrome (1474741).

The spelling of 1474120621 in words is "one billion, four hundred seventy-four million, one hundred twenty thousand, six hundred twenty-one".