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1441430477 = 432779573
BaseRepresentation
bin101010111101010…
…0111101111001101
310201110022020212222
41111322213233031
510423001233402
6355010505125
750501646134
oct12572475715
93643266788
101441430477
1167a717063
123428951a5
1319c826456
14d961891b
158682a7a2
hex55ea7bcd

1441430477 has 6 divisors (see below), whose sum is σ = 1475733582. Its totient is φ = 1407907032.

The previous prime is 1441430449. The next prime is 1441430509. The reversal of 1441430477 is 7740341441.

It can be written as a sum of positive squares in only one way, i.e., 898260841 + 543169636 = 29971^2 + 23306^2 .

It is not a de Polignac number, because 1441430477 - 230 = 367688653 is a prime.

It is a super-3 number, since 3×14414304773 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441430407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387938 + ... + 391635.

It is an arithmetic number, because the mean of its divisors is an integer number (245955597).

Almost surely, 21441430477 is an apocalyptic number.

It is an amenable number.

1441430477 is a deficient number, since it is larger than the sum of its proper divisors (34303105).

1441430477 is an frugal number, since it uses more digits than its factorization.

1441430477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779659 (or 779616 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 1441430477 is about 37966.1754328771. The cubic root of 1441430477 is about 1129.6170360180.

The spelling of 1441430477 in words is "one billion, four hundred forty-one million, four hundred thirty thousand, four hundred seventy-seven".

Divisors: 1 43 1849 779573 33521639 1441430477