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312529032 = 233231713693
BaseRepresentation
bin10010101000001…
…101000010001000
3210210002010020100
4102220031002020
51120001412112
651002325400
710513311234
oct2250150210
9723063210
10312529032
11150461762
12887b9860
134c99682a
142d7155c4
151c6862dc
hex12a0d088

312529032 has 48 divisors (see below), whose sum is σ = 849164940. Its totient is φ = 103840128.

The previous prime is 312529013. The next prime is 312529057. The reversal of 312529032 is 230925213.

It can be written as a sum of positive squares in 2 ways, for example, as 309267396 + 3261636 = 17586^2 + 1806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312528987 and 312529005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15978 + ... + 29670.

Almost surely, 2312529032 is an apocalyptic number.

It is an amenable number.

312529032 is an abundant number, since it is smaller than the sum of its proper divisors (536635908).

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

312529032 is a wasteful number, since it uses less digits than its factorization.

312529032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14022 (or 14015 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 312529032 is about 17678.4906595558. The cubic root of 312529032 is about 678.6254181573.

The spelling of 312529032 in words is "three hundred twelve million, five hundred twenty-nine thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 317 634 951 1268 1902 2536 2853 3804 5706 7608 11412 13693 22824 27386 41079 54772 82158 109544 123237 164316 246474 328632 492948 985896 4340681 8681362 13022043 17362724 26044086 34725448 39066129 52088172 78132258 104176344 156264516 312529032