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4387045469 = 41107001109
BaseRepresentation
bin1000001010111110…
…10000000001011101
3102022202000000000112
410011133100001131
532441040423334
62003153335405
7213500162012
oct40537200135
912282000015
104387045469
111951411214
12a25267565
1354bb786c1
142d8905709
151aa22a4ce
hex1057d005d

4387045469 has 4 divisors (see below), whose sum is σ = 4494046620. Its totient is φ = 4280044320.

The previous prime is 4387045457. The next prime is 4387045493. The reversal of 4387045469 is 9645407834.

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 413634244 + 3973411225 = 20338^2 + 63035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4387045469 is a prime.

It is a super-2 number, since 2×43870454692 = 38492335894146859922, which contains 22 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 (4387045409) 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, 53500514 + ... + 53500595.

It is an arithmetic number, because the mean of its divisors is an integer number (1123511655).

Almost surely, 24387045469 is an apocalyptic number.

It is an amenable number.

4387045469 is a deficient number, since it is larger than the sum of its proper divisors (107001151).

4387045469 is a wasteful number, since it uses less digits than its factorization.

4387045469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107001150.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The square root of 4387045469 is about 66234.7753751758. The cubic root of 4387045469 is about 1637.0327902293.

The spelling of 4387045469 in words is "four billion, three hundred eighty-seven million, forty-five thousand, four hundred sixty-nine".

Divisors: 1 41 107001109 4387045469