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258420151 = 1132577213
BaseRepresentation
bin11110110011100…
…10110110110111
3200000021002210201
433121302312313
51012123421101
641350501331
76255351343
oct1731626667
9600232721
10258420151
11122964980
1272664847
1341700142
142646c623
1517a48e01
hexf672db7

258420151 has 8 divisors (see below), whose sum is σ = 282038544. Its totient is φ = 234822720.

The previous prime is 258420109. The next prime is 258420167. The reversal of 258420151 is 151024852.

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

It is not a de Polignac number, because 258420151 - 223 = 250031543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258420181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32221 + ... + 39433.

It is an arithmetic number, because the mean of its divisors is an integer number (35254818).

Almost surely, 2258420151 is an apocalyptic number.

258420151 is a deficient number, since it is larger than the sum of its proper divisors (23618393).

258420151 is a wasteful number, since it uses less digits than its factorization.

258420151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 258420151 is about 16075.4518132462. The cubic root of 258420151 is about 636.9550599320.

The spelling of 258420151 in words is "two hundred fifty-eight million, four hundred twenty thousand, one hundred fifty-one".

Divisors: 1 11 3257 7213 35827 79343 23492741 258420151