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901265401 = 2693350429
BaseRepresentation
bin110101101110000…
…011011111111001
32022210220000201001
4311232003133321
53321210443101
6225233125001
731222425631
oct6556033771
92283800631
10901265401
11422817043
122119b9761
1311494a64a
14879a96c1
15541cb901
hex35b837f9

901265401 has 4 divisors (see below), whose sum is σ = 904616100. Its totient is φ = 897914704.

The previous prime is 901265383. The next prime is 901265413. The reversal of 901265401 is 104562109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104562109 = 791323571.

It can be written as a sum of positive squares in 2 ways, for example, as 138180025 + 763085376 = 11755^2 + 27624^2 .

It is a cyclic number.

It is not a de Polignac number, because 901265401 - 27 = 901265273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 901265401.

It is not an unprimeable number, because it can be changed into a prime (901265501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674946 + ... + 1675483.

It is an arithmetic number, because the mean of its divisors is an integer number (226154025).

Almost surely, 2901265401 is an apocalyptic number.

It is an amenable number.

901265401 is a deficient number, since it is larger than the sum of its proper divisors (3350699).

901265401 is a wasteful number, since it uses less digits than its factorization.

901265401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350698.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 901265401 is about 30021.0826087268. The cubic root of 901265401 is about 965.9416657517.

The spelling of 901265401 in words is "nine hundred one million, two hundred sixty-five thousand, four hundred one".

Divisors: 1 269 3350429 901265401