Search a number
-
+
304532904025 = 5272157672
BaseRepresentation
bin1000110111001111001…
…00110101100001011001
31002010001102101102002101
410123213210311201121
514442140410412100
6351522301003401
731000415655100
oct4334744654131
91063042342071
10304532904025
11108173981179
124b02b553561
1322942c8613c
1410a4d175037
157dc55eb86a
hex46e7935859

304532904025 has 27 divisors (see below), whose sum is σ = 439301038719. Its totient is φ = 208809318480.

The previous prime is 304532903993. The next prime is 304532904031. The reversal of 304532904025 is 520409235403.

The square root of 304532904025 is 551845.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 109631845449 + 194901058576 = 331107^2 + 441476^2 .

It is not a de Polignac number, because 304532904025 - 25 = 304532903993 is a prime.

It is a super-2 number, since 2×3045329040252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19306692 + ... + 19322458.

Almost surely, 2304532904025 is an apocalyptic number.

304532904025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

304532904025 is the 551845-th square number.

304532904025 is the 275923-rd centered octagonal number.

It is an amenable number.

304532904025 is a deficient number, since it is larger than the sum of its proper divisors (134768134694).

304532904025 is an frugal number, since it uses more digits than its factorization.

304532904025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31558 (or 15779 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 304532904025 in words is "three hundred four billion, five hundred thirty-two million, nine hundred four thousand, twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 15767 78835 110369 394175 551845 772583 2759225 3862915 19314575 248598289 1242991445 1740188023 6214957225 8700940115 12181316161 43504700575 60906580805 304532904025