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225415098841 = 4747792
BaseRepresentation
bin1101000111101111001…
…0010111000111011001
3210112211120021110212111
43101323302113013121
512143122231130331
6251315415512321
722166665504042
oct3217362270731
9715746243774
10225415098841
1187663a46119
123782b0886a1
13183448525ba
14aca563d8c9
155ce47dddb1
hex347bc971d9

225415098841 has 3 divisors (see below), whose sum is σ = 225415573621. Its totient is φ = 225414624062.

The previous prime is 225415098827. The next prime is 225415098889. The reversal of 225415098841 is 148890514522.

It is a happy number.

The square root of 225415098841 is 474779.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148890514522 = 274445257261.

It is not a de Polignac number, because 225415098841 - 217 = 225414967769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225415099841) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 237390 + ... + 712168.

Almost surely, 2225415098841 is an apocalyptic number.

225415098841 is the 474779-th square number.

225415098841 is the 237390-th centered octagonal number.

It is an amenable number.

225415098841 is a deficient number, since it is larger than the sum of its proper divisors (474780).

225415098841 is an frugal number, since it uses more digits than its factorization.

225415098841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949558 (or 474779 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

Multiplying 225415098841 by its sum of digits (49), we get a square (11045339843209 = 33234532).

The spelling of 225415098841 in words is "two hundred twenty-five billion, four hundred fifteen million, ninety-eight thousand, eight hundred forty-one".

Divisors: 1 474779 225415098841