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1445113401 = 31374437937
BaseRepresentation
bin101011000100010…
…1010111000111001
310201201020100220120
41112020222320321
510424422112101
6355221443453
750545155414
oct12610527071
93651210816
101445113401
116818020a6
12343b70589
131a05158b4
14d9cd6b7b
1586d06b36
hex5622ae39

1445113401 has 16 divisors (see below), whose sum is σ = 1945508544. Its totient is φ = 954097664.

The previous prime is 1445113399. The next prime is 1445113409. The reversal of 1445113401 is 1043115441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1445113401 - 21 = 1445113399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1445113409) 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, 178105 + ... + 186041.

It is an arithmetic number, because the mean of its divisors is an integer number (121594284).

Almost surely, 21445113401 is an apocalyptic number.

It is an amenable number.

1445113401 is a deficient number, since it is larger than the sum of its proper divisors (500395143).

1445113401 is a wasteful number, since it uses less digits than its factorization.

1445113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1445113401 is about 38014.6471902608. The cubic root of 1445113401 is about 1130.5782930308.

Adding to 1445113401 its reverse (1043115441), we get a palindrome (2488228842).

The spelling of 1445113401 in words is "one billion, four hundred forty-five million, one hundred thirteen thousand, four hundred one".

Divisors: 1 3 137 411 443 1329 7937 23811 60691 182073 1087369 3262107 3516091 10548273 481704467 1445113401