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1357056225 = 325272831483
BaseRepresentation
bin101000011100011…
…0000100011100001
310111120112121011200
41100320300203201
510234401244400
6342354231413
745425534100
oct12070604341
93446477150
101357056225
11637028478
1231a585569
131881c4065
14cc334037
157e210b00
hex50e308e1

1357056225 has 108 divisors (see below), whose sum is σ = 2863472976. Its totient is φ = 612480960.

The previous prime is 1357056223. The next prime is 1357056251. The reversal of 1357056225 is 5226507531.

1357056225 is a `hidden beast` number, since 1 + 3 + 5 + 70 + 562 + 25 = 666.

It is not a de Polignac number, because 1357056225 - 21 = 1357056223 is a prime.

It is a super-2 number, since 2×13570562252 = 3683203195622501250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1357056225.

It is not an unprimeable number, because it can be changed into a prime (1357056223) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 914334 + ... + 915816.

Almost surely, 21357056225 is an apocalyptic number.

1357056225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357056225 is an abundant number, since it is smaller than the sum of its proper divisors (1506416751).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1357056225 is a wasteful number, since it uses less digits than its factorization.

1357056225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 1357056225 is about 36838.2440542434. The cubic root of 1357056225 is about 1107.1316862656.

The spelling of 1357056225 in words is "one billion, three hundred fifty-seven million, fifty-six thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 83 105 147 175 225 245 249 315 415 441 525 581 735 747 1225 1245 1483 1575 1743 2075 2205 2905 3675 3735 4067 4449 5229 6225 7415 8715 10381 11025 12201 13347 14525 18675 20335 22245 26145 31143 36603 37075 43575 51905 61005 66735 72667 93429 101675 111225 123089 130725 155715 183015 218001 259525 305025 333675 363335 369267 467145 615445 654003 778575 861623 915075 1090005 1107801 1816675 1846335 2335725 2584869 3077225 3270015 4308115 5450025 5539005 6031361 7754607 9231675 12924345 16350075 18094083 21540575 27695025 30156805 38773035 54282249 64621725 90470415 150784025 193865175 271411245 452352075 1357056225