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252834290 = 2541616669
BaseRepresentation
bin11110001000111…
…11000111110010
3122121202022102222
433010133013302
51004211144130
641031041042
76160025132
oct1704370762
9577668388
10252834290
1111a79a165
1270810182
13404c57b7
1425816ac2
15172e3ce5
hexf11f1f2

252834290 has 16 divisors (see below), whose sum is σ = 466202520. Its totient is φ = 98666880.

The previous prime is 252834277. The next prime is 252834299. The reversal of 252834290 is 92438252.

It can be written as a sum of positive squares in 4 ways, for example, as 77986561 + 174847729 = 8831^2 + 13223^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252834290.

It is not an unprimeable number, because it can be changed into a prime (252834299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307925 + ... + 308744.

Almost surely, 2252834290 is an apocalyptic number.

252834290 is a deficient number, since it is larger than the sum of its proper divisors (213368230).

252834290 is a wasteful number, since it uses less digits than its factorization.

252834290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616717.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 252834290 is about 15900.7638181315. The cubic root of 252834290 is about 632.3322389888.

The spelling of 252834290 in words is "two hundred fifty-two million, eight hundred thirty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 41 82 205 410 616669 1233338 3083345 6166690 25283429 50566858 126417145 252834290