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1452808930 = 25145280893
BaseRepresentation
bin101011010011000…
…0001101011100010
310202020201100012011
41112212001223202
510433404341210
6400054423134
751000446356
oct12646015342
93666640164
101452808930
11686088941
12346661aaa
131a1cab571
14dad3b466
1587826d8a
hex56981ae2

1452808930 has 8 divisors (see below), whose sum is σ = 2615056092. Its totient is φ = 581123568.

The previous prime is 1452808927. The next prime is 1452808939. The reversal of 1452808930 is 398082541.

It can be written as a sum of positive squares in 2 ways, for example, as 1313120169 + 139688761 = 36237^2 + 11819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×14528089302 = 4221307574175489800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452808939) 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, 72640437 + ... + 72640456.

Almost surely, 21452808930 is an apocalyptic number.

1452808930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1452808930 is a deficient number, since it is larger than the sum of its proper divisors (1162247162).

1452808930 is a wasteful number, since it uses less digits than its factorization.

1452808930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145280900.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1452808930 is about 38115.7307420440. The cubic root of 1452808930 is about 1132.5815959675.

The spelling of 1452808930 in words is "one billion, four hundred fifty-two million, eight hundred eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 145280893 290561786 726404465 1452808930