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1355001401 = 13104230877
BaseRepresentation
bin101000011000011…
…1010111000111001
310111102200012111002
41100300322320321
510233340021101
6342242214345
745402215255
oct12060727071
93442605432
101355001401
11635954676
123199543b5
131879549a0
14cbd5b265
157de56d6b
hex50c3ae39

1355001401 has 4 divisors (see below), whose sum is σ = 1459232292. Its totient is φ = 1250770512.

The previous prime is 1355001317. The next prime is 1355001409. The reversal of 1355001401 is 1041005531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 702250000 + 652751401 = 26500^2 + 25549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1355001401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355001409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52115426 + ... + 52115451.

It is an arithmetic number, because the mean of its divisors is an integer number (364808073).

Almost surely, 21355001401 is an apocalyptic number.

It is an amenable number.

1355001401 is a deficient number, since it is larger than the sum of its proper divisors (104230891).

1355001401 is a wasteful number, since it uses less digits than its factorization.

1355001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104230890.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1355001401 is about 36810.3436685940. The cubic root of 1355001401 is about 1106.5726060259.

Adding to 1355001401 its reverse (1041005531), we get a palindrome (2396006932).

The spelling of 1355001401 in words is "one billion, three hundred fifty-five million, one thousand, four hundred one".

Divisors: 1 13 104230877 1355001401