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234143056 = 2479712153
BaseRepresentation
bin11011111010010…
…11110101010000
3121022120200220001
431331023311100
5434420034211
635122255344
75542116550
oct1575136520
9538520801
10234143056
11110193164
12664b7554
133967ccb4
142314d160
1515850ac1
hexdf4bd50

234143056 has 40 divisors (see below), whose sum is σ = 519234624. Its totient is φ = 100197120.

The previous prime is 234143033. The next prime is 234143081. The reversal of 234143056 is 650341432.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107676 + ... + 109828.

Almost surely, 2234143056 is an apocalyptic number.

It is an amenable number.

234143056 is an abundant number, since it is smaller than the sum of its proper divisors (285091568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234143056 is a wasteful number, since it uses less digits than its factorization.

234143056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 234143056 is about 15301.7337579766. The cubic root of 234143056 is about 616.3495654648.

Adding to 234143056 its reverse (650341432), we get a palindrome (884484488).

The spelling of 234143056 in words is "two hundred thirty-four million, one hundred forty-three thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 971 1942 2153 3884 4306 6797 7768 8612 13594 15071 15536 17224 27188 30142 34448 54376 60284 108752 120568 241136 2090563 4181126 8362252 14633941 16724504 29267882 33449008 58535764 117071528 234143056