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260000051 = 2914995981
BaseRepresentation
bin11110111111101…
…00100100110011
3200010020101000112
433133310210303
51013030000201
641444411535
76304651433
oct1737644463
9603211015
10260000051
11123843983
12730a6bab
1341b342ac
14267602c3
1517c5c0bb
hexf7f4933

260000051 has 8 divisors (see below), whose sum is σ = 269190000. Its totient is φ = 250825120.

The previous prime is 260000021. The next prime is 260000053. The reversal of 260000051 is 150000062.

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 260000051 - 226 = 192891187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259999990 and 260000035.

It is not an unprimeable number, because it can be changed into a prime (260000053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40481 + ... + 46461.

It is an arithmetic number, because the mean of its divisors is an integer number (33648750).

Almost surely, 2260000051 is an apocalyptic number.

260000051 is a deficient number, since it is larger than the sum of its proper divisors (9189949).

260000051 is a wasteful number, since it uses less digits than its factorization.

260000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 260000051 is about 16124.5170780399. The cubic root of 260000051 is about 638.2504716177.

The spelling of 260000051 in words is "two hundred sixty million, fifty-one", and thus it is an aban number.

Divisors: 1 29 1499 5981 43471 173449 8965519 260000051