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3415425680 = 245149349821
BaseRepresentation
bin1100101110010011…
…0100001010010000
322211000201121020102
43023210310022100
523443322110210
61322524231532
7150431432162
oct31344641220
98730647212
103415425680
1114a2a11957
127b399b5a8
13425797154
14245864932
1514eca2ea5
hexcb934290

3415425680 has 80 divisors (see below), whose sum is σ = 8026830000. Its totient is φ = 1351464960.

The previous prime is 3415425667. The next prime is 3415425691. The reversal of 3415425680 is 865245143.

It can be written as a sum of positive squares in 8 ways, for example, as 270010624 + 3145415056 = 16432^2 + 56084^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4159670 + ... + 4160490.

It is an arithmetic number, because the mean of its divisors is an integer number (100335375).

Almost surely, 23415425680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3415425680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4013415000).

3415425680 is an abundant number, since it is smaller than the sum of its proper divisors (4611404320).

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

3415425680 is a wasteful number, since it uses less digits than its factorization.

3415425680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 3415425680 is about 58441.6433718286. The cubic root of 3415425680 is about 1505.9652354930.

The spelling of 3415425680 in words is "three billion, four hundred fifteen million, four hundred twenty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 149 298 349 596 698 745 821 1192 1396 1490 1642 1745 2384 2792 2980 3284 3490 4105 5584 5960 6568 6980 8210 11920 13136 13960 16420 27920 32840 52001 65680 104002 122329 208004 244658 260005 286529 416008 489316 520010 573058 611645 832016 978632 1040020 1146116 1223290 1432645 1957264 2080040 2292232 2446580 2865290 4160080 4584464 4893160 5730580 9786320 11461160 22922320 42692821 85385642 170771284 213464105 341542568 426928210 683085136 853856420 1707712840 3415425680