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238650965 = 5713035233
BaseRepresentation
bin11100011100110…
…00011001010101
3121122001201120122
432032120121111
5442043312330
635403041325
75625333260
oct1616303125
9548051518
10238650965
11112792003
1267b10245
133a59aab7
14239a3cd7
1515e415e5
hexe398655

238650965 has 16 divisors (see below), whose sum is σ = 327606528. Its totient is φ = 163489536.

The previous prime is 238650961. The next prime is 238651003. The reversal of 238650965 is 569056832.

It is a happy number.

238650965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238650965 - 22 = 238650961 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 (238650961) 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, 42989 + ... + 48221.

It is an arithmetic number, because the mean of its divisors is an integer number (20475408).

Almost surely, 2238650965 is an apocalyptic number.

It is an amenable number.

238650965 is a deficient number, since it is larger than the sum of its proper divisors (88955563).

238650965 is a wasteful number, since it uses less digits than its factorization.

238650965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 238650965 is about 15448.3321106196. The cubic root of 238650965 is about 620.2799334230.

The spelling of 238650965 in words is "two hundred thirty-eight million, six hundred fifty thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 1303 5233 6515 9121 26165 36631 45605 183155 6818599 34092995 47730193 238650965