Search a number
-
+
1353872025 = 32521122232
BaseRepresentation
bin101000010110010…
…0111001010011001
310111100112211021100
41100230213022121
510233042401100
6342202102013
745356502522
oct12054471231
93440484240
101353872025
11635253100
123194aa909
1318764a90c
14cbb45849
157dcd2400
hex50b27299

1353872025 has 81 divisors (see below), whose sum is σ = 2677430847. Its totient is φ = 653479200.

The previous prime is 1353872011. The next prime is 1353872053. The reversal of 1353872025 is 5202783531.

It is a happy number.

The square root of 1353872025 is 36795.

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., 487393929 + 866478096 = 22077^2 + 29436^2 .

It is not a de Polignac number, because 1353872025 - 211 = 1353869977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6071064 + ... + 6071286.

Almost surely, 21353872025 is an apocalyptic number.

1353872025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1353872025 is the 36795-th square number.

1353872025 is the 18398-th centered octagonal number.

It is an amenable number.

1353872025 is a deficient number, since it is larger than the sum of its proper divisors (1323558822).

1353872025 is a wasteful number, since it uses less digits than its factorization.

1353872025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The cubic root of 1353872025 is about 1106.2650826250.

Multiplying 1353872025 by its sum of digits (36), we get a square (48739392900 = 2207702).

It can be divided in two parts, 1353 and 872025, that added together give a palindrome (873378).

The spelling of 1353872025 in words is "one billion, three hundred fifty-three million, eight hundred seventy-two thousand, twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 121 165 223 225 275 363 495 605 669 825 1089 1115 1815 2007 2453 2475 3025 3345 5445 5575 7359 9075 10035 12265 16725 22077 26983 27225 36795 49729 50175 61325 80949 110385 134915 149187 183975 242847 248645 404745 447561 547019 551925 674575 745935 1214235 1243225 1641057 2023725 2237805 2735095 3729675 4923171 6017209 6071175 8205285 11189025 13675475 18051627 24615855 30086045 41026425 54154881 90258135 123079275 150430225 270774405 451290675 1353872025