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1420432325 = 521322911593
BaseRepresentation
bin101010010101010…
…0001001111000101
310122222210102211122
41110222201033011
510402112313300
6352540443325
750125322054
oct12452411705
93588712748
101420432325
11669884914
12337849545
13198383900
14d691039b
1584a7dc85
hex54aa13c5

1420432325 has 36 divisors (see below), whose sum is σ = 1973182860. Its totient is φ = 1012677120.

The previous prime is 1420432313. The next prime is 1420432339. The reversal of 1420432325 is 5232340241.

It can be written as a sum of positive squares in 18 ways, for example, as 1037290849 + 383141476 = 32207^2 + 19574^2 .

It is not a de Polignac number, because 1420432325 - 24 = 1420432309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420432294 and 1420432303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116729 + ... + 128321.

It is an arithmetic number, because the mean of its divisors is an integer number (54810635).

Almost surely, 21420432325 is an apocalyptic number.

It is an amenable number.

1420432325 is a deficient number, since it is larger than the sum of its proper divisors (552750535).

1420432325 is a wasteful number, since it uses less digits than its factorization.

1420432325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11658 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1420432325 is about 37688.6232834260. The cubic root of 1420432325 is about 1124.1049209627.

Adding to 1420432325 its reverse (5232340241), we get a palindrome (6652772566).

The spelling of 1420432325 in words is "one billion, four hundred twenty million, four hundred thirty-two thousand, three hundred twenty-five".

Divisors: 1 5 13 25 29 65 145 169 325 377 725 845 1885 4225 4901 9425 11593 24505 57965 122525 150709 289825 336197 753545 1680985 1959217 3767725 4370561 8404925 9796085 21852805 48980425 56817293 109264025 284086465 1420432325