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255214001 = 7210614909
BaseRepresentation
bin11110011011001…
…00000110110001
3122210020012210102
433031210012301
51010313322001
641154042145
76216166100
oct1715440661
9583205712
10255214001
11121075069
1271579355
1340b49a03
1425c76037
1517613e6b
hexf3641b1

255214001 has 12 divisors (see below), whose sum is σ = 297221940. Its totient is φ = 218504160.

The previous prime is 255213991. The next prime is 255214031. The reversal of 255214001 is 100412552.

255214001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 224400400 + 30813601 = 14980^2 + 5551^2 .

It is not a de Polignac number, because 255214001 - 218 = 254951857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255214031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49535 + ... + 54443.

It is an arithmetic number, because the mean of its divisors is an integer number (24768495).

Almost surely, 2255214001 is an apocalyptic number.

It is an amenable number.

255214001 is a deficient number, since it is larger than the sum of its proper divisors (42007939).

255214001 is a wasteful number, since it uses less digits than its factorization.

255214001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984 (or 5977 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 255214001 is about 15975.4186486614. The cubic root of 255214001 is about 634.3099131004.

Adding to 255214001 its reverse (100412552), we get a palindrome (355626553).

The spelling of 255214001 in words is "two hundred fifty-five million, two hundred fourteen thousand, one".

Divisors: 1 7 49 1061 4909 7427 34363 51989 240541 5208449 36459143 255214001