Search a number
-
+
554696969 is a prime number
BaseRepresentation
bin100001000100000…
…000000100001001
31102122202112012012
4201010000010021
52114000300334
6131013025305
716513563221
oct4104000411
91378675165
10554696969
11265126052
12135925235
138abc6378
1453953081
1533a6e9ce
hex21100109

554696969 has 2 divisors, whose sum is σ = 554696970. Its totient is φ = 554696968.

The previous prime is 554696951. The next prime is 554696983. The reversal of 554696969 is 969696455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429525625 + 125171344 = 20725^2 + 11188^2 .

It is a cyclic number.

It is not a de Polignac number, because 554696969 - 228 = 286261513 is a prime.

It is a super-2 number, since 2×5546969692 = 615377454835573922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (554696929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277348484 + 277348485.

It is an arithmetic number, because the mean of its divisors is an integer number (277348485).

Almost surely, 2554696969 is an apocalyptic number.

It is an amenable number.

554696969 is a deficient number, since it is larger than the sum of its proper divisors (1).

554696969 is an equidigital number, since it uses as much as digits as its factorization.

554696969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15746400, while the sum is 59.

The square root of 554696969 is about 23552.0056258485. The cubic root of 554696969 is about 821.6469817876.

The spelling of 554696969 in words is "five hundred fifty-four million, six hundred ninety-six thousand, nine hundred sixty-nine".