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2152404434 = 215122931123
BaseRepresentation
bin1000000001001011…
…0001010111010010
312120000010110210202
42000102301113102
513402003420214
6553325255202
7104224064405
oct20022612722
95500113722
102152404434
11a04a81344
12500a04502
13283c087bb
14165c0bd3c
15c8e696de
hex804b15d2

2152404434 has 16 divisors (see below), whose sum is σ = 3264285120. Its totient is φ = 1064372400.

The previous prime is 2152404427. The next prime is 2152404461. The reversal of 2152404434 is 4344042512.

It is a junction number, because it is equal to n+sod(n) for n = 2152404397 and 2152404406.

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, 53597 + ... + 84719.

It is an arithmetic number, because the mean of its divisors is an integer number (204017820).

Almost surely, 22152404434 is an apocalyptic number.

2152404434 is a deficient number, since it is larger than the sum of its proper divisors (1111880686).

2152404434 is a wasteful number, since it uses less digits than its factorization.

2152404434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31505.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2152404434 is about 46394.0129111505. The cubic root of 2152404434 is about 1291.1438353370.

Adding to 2152404434 its reverse (4344042512), we get a palindrome (6496446946).

The spelling of 2152404434 in words is "two billion, one hundred fifty-two million, four hundred four thousand, four hundred thirty-four".

Divisors: 1 2 151 229 302 458 31123 34579 62246 69158 4699573 7127167 9399146 14254334 1076202217 2152404434