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415920672 = 25324730727
BaseRepresentation
bin11000110010100…
…111001000100000
31001222121221220100
4120302213020200
51322433430142
6105134342400
713210160466
oct3062471040
91058557810
10415920672
111a385a3a2
12b735aa00
136822700b
143d34a836
15267aab4c
hex18ca7220

415920672 has 72 divisors (see below), whose sum is σ = 1207979136. Its totient is φ = 135686016.

The previous prime is 415920671. The next prime is 415920709. The reversal of 415920672 is 276029514.

415920672 is a `hidden beast` number, since 4 + 1 + 592 + 0 + 67 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415920671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1828 + ... + 28899.

It is an arithmetic number, because the mean of its divisors is an integer number (16777488).

Almost surely, 2415920672 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 415920672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603989568).

415920672 is an abundant number, since it is smaller than the sum of its proper divisors (792058464).

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

415920672 is a wasteful number, since it uses less digits than its factorization.

415920672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30790 (or 30779 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 415920672 is about 20394.1332740570. The cubic root of 415920672 is about 746.4547776026.

The spelling of 415920672 in words is "four hundred fifteen million, nine hundred twenty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 72 94 96 141 144 188 282 288 376 423 564 752 846 1128 1504 1692 2256 3384 4512 6768 13536 30727 61454 92181 122908 184362 245816 276543 368724 491632 553086 737448 983264 1106172 1444169 1474896 2212344 2888338 2949792 4332507 4424688 5776676 8665014 8849376 11553352 12997521 17330028 23106704 25995042 34660056 46213408 51990084 69320112 103980168 138640224 207960336 415920672