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258317941 = 71710871997
BaseRepresentation
bin11110110010110…
…01111001110101
3200000001220121011
433121121321311
51012112133231
641344352221
76254444350
oct1731317165
9600056534
10258317941
111228a5102
1272615671
134169576b
1426443297
1517a289b1
hexf659e75

258317941 has 16 divisors (see below), whose sum is σ = 313030656. Its totient is φ = 208094976.

The previous prime is 258317929. The next prime is 258317953. The reversal of 258317941 is 149713852.

It is an interprime number because it is at equal distance from previous prime (258317929) and next prime (258317953).

It is a cyclic number.

It is not a de Polignac number, because 258317941 - 29 = 258317429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258317894 and 258317903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258317921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128355 + ... + 130351.

It is an arithmetic number, because the mean of its divisors is an integer number (19564416).

Almost surely, 2258317941 is an apocalyptic number.

It is an amenable number.

258317941 is a deficient number, since it is larger than the sum of its proper divisors (54712715).

258317941 is a wasteful number, since it uses less digits than its factorization.

258317941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108.

The product of its digits is 60480, while the sum is 40.

The square root of 258317941 is about 16072.2724280047. The cubic root of 258317941 is about 636.8710729809.

The spelling of 258317941 in words is "two hundred fifty-eight million, three hundred seventeen thousand, nine hundred forty-one".

Divisors: 1 7 17 119 1087 1997 7609 13979 18479 33949 129353 237643 2170739 15195173 36902563 258317941