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1255305401 = 7374846739
BaseRepresentation
bin100101011010010…
…0111000010111001
310020111002010021122
41022310213002321
510032324233101
6324321315025
743051630340
oct11264470271
93214063248
101255305401
11594650589
122b0495a75
131700b967c
14bca08b57
157531251b
hex4ad270b9

1255305401 has 8 divisors (see below), whose sum is σ = 1473408960. Its totient is φ = 1046895408.

The previous prime is 1255305353. The next prime is 1255305419. The reversal of 1255305401 is 1045035521.

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 1255305401 - 210 = 1255304377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255305461) 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, 2423111 + ... + 2423628.

It is an arithmetic number, because the mean of its divisors is an integer number (184176120).

Almost surely, 21255305401 is an apocalyptic number.

It is an amenable number.

1255305401 is a deficient number, since it is larger than the sum of its proper divisors (218103559).

1255305401 is an equidigital number, since it uses as much as digits as its factorization.

1255305401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846783.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1255305401 is about 35430.2893157818. The cubic root of 1255305401 is about 1078.7392126055.

The spelling of 1255305401 in words is "one billion, two hundred fifty-five million, three hundred five thousand, four hundred one".

Divisors: 1 7 37 259 4846739 33927173 179329343 1255305401