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270405941 = 1389233713
BaseRepresentation
bin10000000111100…
…001000100110101
3200211211001012212
4100013201010311
51023210442231
642455423205
76462261341
oct2007410465
9624731185
10270405941
11129700a93
1276684b05
1344038820
1427cac621
1518b1542b
hex101e1135

270405941 has 8 divisors (see below), whose sum is σ = 294479640. Its totient is φ = 246799872.

The previous prime is 270405923. The next prime is 270405979. The reversal of 270405941 is 149504072.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 461041 + 269944900 = 679^2 + 16430^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 270405941 - 214 = 270389557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 270405898 and 270405907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270405991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115700 + ... + 118013.

It is an arithmetic number, because the mean of its divisors is an integer number (36809955).

Almost surely, 2270405941 is an apocalyptic number.

It is an amenable number.

270405941 is a deficient number, since it is larger than the sum of its proper divisors (24073699).

270405941 is a wasteful number, since it uses less digits than its factorization.

270405941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233815.

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

The square root of 270405941 is about 16444.0244769947. The cubic root of 270405941 is about 646.6541608746.

The spelling of 270405941 in words is "two hundred seventy million, four hundred five thousand, nine hundred forty-one".

Divisors: 1 13 89 1157 233713 3038269 20800457 270405941