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276225401 = 1719855187
BaseRepresentation
bin10000011101101…
…101110101111001
3201020202201000102
4100131231311321
51031203203101
643224245145
76562606604
oct2035556571
9636681012
10276225401
11131a16261
12786107b5
13452c55aa
142898533b
15193b486b
hex1076dd79

276225401 has 8 divisors (see below), whose sum is σ = 307867680. Its totient is φ = 246293568.

The previous prime is 276225379. The next prime is 276225431. The reversal of 276225401 is 104522672.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-276225401 is a prime.

It is a super-2 number, since 2×2762254012 = 152600944315221602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276225431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427271 + ... + 427916.

It is an arithmetic number, because the mean of its divisors is an integer number (38483460).

Almost surely, 2276225401 is an apocalyptic number.

It is an amenable number.

276225401 is a deficient number, since it is larger than the sum of its proper divisors (31642279).

276225401 is a wasteful number, since it uses less digits than its factorization.

276225401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855223.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 276225401 is about 16620.0301142928. The cubic root of 276225401 is about 651.2601989750.

The spelling of 276225401 in words is "two hundred seventy-six million, two hundred twenty-five thousand, four hundred one".

Divisors: 1 17 19 323 855187 14538179 16248553 276225401