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141221325 = 3527268993
BaseRepresentation
bin10000110101011…
…01110111001101
3100211201210020110
420122231313031
5242123040300
622002510233
73333234660
oct1032556715
9324653213
10141221325
1172796743
123b365379
132334721b
1414a816d7
15c5e8550
hex86addcd

141221325 has 24 divisors (see below), whose sum is σ = 266842048. Its totient is φ = 64558080.

The previous prime is 141221321. The next prime is 141221369. The reversal of 141221325 is 523122141.

It is not a de Polignac number, because 141221325 - 22 = 141221321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141221321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133972 + ... + 135021.

Almost surely, 2141221325 is an apocalyptic number.

141221325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141221325 is a deficient number, since it is larger than the sum of its proper divisors (125620723).

141221325 is a wasteful number, since it uses less digits than its factorization.

141221325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269013 (or 269008 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 141221325 is about 11883.6578964560. The cubic root of 141221325 is about 520.7549745938.

Adding to 141221325 its reverse (523122141), we get a palindrome (664343466).

The spelling of 141221325 in words is "one hundred forty-one million, two hundred twenty-one thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 268993 806979 1344965 1882951 4034895 5648853 6724825 9414755 20174475 28244265 47073775 141221325