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1401246471 = 31782733223
BaseRepresentation
bin101001110000101…
…0101001100000111
310121122200200210110
41103201111030013
510332204341341
6351013324103
746503253452
oct12341251407
93548620713
101401246471
11659a70239
12331336633
131943c6c31
14d4158499
158303e216
hex53855307

1401246471 has 16 divisors (see below), whose sum is σ = 1980681984. Its totient is φ = 878123904.

The previous prime is 1401246467. The next prime is 1401246487. The reversal of 1401246471 is 1746421041.

It is not a de Polignac number, because 1401246471 - 22 = 1401246467 is a prime.

It is a super-3 number, since 3×14012464713 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401245471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25566 + ... + 58788.

It is an arithmetic number, because the mean of its divisors is an integer number (123792624).

Almost surely, 21401246471 is an apocalyptic number.

1401246471 is a deficient number, since it is larger than the sum of its proper divisors (579435513).

1401246471 is a wasteful number, since it uses less digits than its factorization.

1401246471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1401246471 is about 37433.2268312525. The cubic root of 1401246471 is about 1119.0208467711.

The spelling of 1401246471 in words is "one billion, four hundred one million, two hundred forty-six thousand, four hundred seventy-one".

Divisors: 1 3 17 51 827 2481 14059 33223 42177 99669 564791 1694373 27475421 82426263 467082157 1401246471