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255452042 = 2281454541
BaseRepresentation
bin11110011100111…
…10001110001010
3122210200022022202
433032132032022
51010343431132
641203120202
76221210066
oct1716361612
9583608282
10255452042
1112121799a
1271673062
1340c01171
1425cd8aa6
151765e762
hexf39e38a

255452042 has 8 divisors (see below), whose sum is σ = 384542532. Its totient is φ = 127271200.

The previous prime is 255452023. The next prime is 255452063. The reversal of 255452042 is 240254552.

It can be written as a sum of positive squares in 2 ways, for example, as 243953161 + 11498881 = 15619^2 + 3391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 255451996 and 255452014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226709 + ... + 227832.

Almost surely, 2255452042 is an apocalyptic number.

255452042 is a deficient number, since it is larger than the sum of its proper divisors (129090490).

255452042 is a wasteful number, since it uses less digits than its factorization.

255452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454824.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 255452042 is about 15982.8671395341. The cubic root of 255452042 is about 634.5070611746.

The spelling of 255452042 in words is "two hundred fifty-five million, four hundred fifty-two thousand, forty-two".

Divisors: 1 2 281 562 454541 909082 127726021 255452042