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238090743 = 32112404957
BaseRepresentation
bin11100011000011…
…11100111110111
3121121000021002200
432030033213313
5441422400433
635343035543
75620511052
oct1614174767
9547007080
10238090743
1111243a110
126789bbb3
133a432ac7
1423899a99
1515d80613
hexe30f9f7

238090743 has 12 divisors (see below), whose sum is σ = 375173448. Its totient is φ = 144297360.

The previous prime is 238090739. The next prime is 238090751. The reversal of 238090743 is 347090832.

It is not a de Polignac number, because 238090743 - 22 = 238090739 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 238090698 and 238090707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238090543) 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, 1202380 + ... + 1202577.

It is an arithmetic number, because the mean of its divisors is an integer number (31264454).

Almost surely, 2238090743 is an apocalyptic number.

238090743 is a deficient number, since it is larger than the sum of its proper divisors (137082705).

238090743 is a wasteful number, since it uses less digits than its factorization.

238090743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404974 (or 2404971 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 238090743 is about 15430.1893377884. The cubic root of 238090743 is about 619.7941937445.

The spelling of 238090743 in words is "two hundred thirty-eight million, ninety thousand, seven hundred forty-three".

Divisors: 1 3 9 11 33 99 2404957 7214871 21644613 26454527 79363581 238090743