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1256800226 = 21157127283
BaseRepresentation
bin100101011101001…
…0011111111100010
310020120220001210112
41022322103333202
510033220101401
6324413331322
743100424413
oct11272237742
93216801715
101256800226
11595481680
122b0a96b42
131704c0b96
14bccb780a
157550a3bb
hex4ae93fe2

1256800226 has 8 divisors (see below), whose sum is σ = 2056582224. Its totient is φ = 571272820.

The previous prime is 1256800219. The next prime is 1256800273. The reversal of 1256800226 is 6220086521.

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

It is a junction number, because it is equal to n+sod(n) for n = 1256800192 and 1256800201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28563620 + ... + 28563663.

It is an arithmetic number, because the mean of its divisors is an integer number (257072778).

Almost surely, 21256800226 is an apocalyptic number.

1256800226 is a deficient number, since it is larger than the sum of its proper divisors (799781998).

1256800226 is a wasteful number, since it uses less digits than its factorization.

1256800226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57127296.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1256800226 is about 35451.3783370971. The cubic root of 1256800226 is about 1079.1672324050.

Adding to 1256800226 its reverse (6220086521), we get a palindrome (7476886747).

The spelling of 1256800226 in words is "one billion, two hundred fifty-six million, eight hundred thousand, two hundred twenty-six".

Divisors: 1 2 11 22 57127283 114254566 628400113 1256800226