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255400132 = 221344311087
BaseRepresentation
bin11110011100100…
…01100011000100
3122210120200010011
433032101203010
51010340301012
641202040004
76220602541
oct1716214304
9583520104
10255400132
11121191999
1271649004
1340bb3650
1425cc3bc8
151764e1a7
hexf3918c4

255400132 has 24 divisors (see below), whose sum is σ = 482461056. Its totient is φ = 117600288.

The previous prime is 255400121. The next prime is 255400133. The reversal of 255400132 is 231004552.

It is not an unprimeable number, because it can be changed into a prime (255400133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17493 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (20102544).

Almost surely, 2255400132 is an apocalyptic number.

It is an amenable number.

255400132 is a deficient number, since it is larger than the sum of its proper divisors (227060924).

255400132 is a wasteful number, since it uses less digits than its factorization.

255400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547 (or 11545 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 255400132 is about 15981.2431306203. The cubic root of 255400132 is about 634.4640792087.

Adding to 255400132 its reverse (231004552), we get a palindrome (486404684).

The spelling of 255400132 in words is "two hundred fifty-five million, four hundred thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 443 886 1772 5759 11087 11518 22174 23036 44348 144131 288262 576524 4911541 9823082 19646164 63850033 127700066 255400132