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93504420 = 223251730557
BaseRepresentation
bin1011001001011…
…00001110100100
320111221111221200
411210230032210
5142414120140
613140042500
72213526432
oct544541644
9214844850
1093504420
1148865289
1227393430
13164ab079
14c5bdd52
158320030
hex592c3a4

93504420 has 72 divisors (see below), whose sum is σ = 300324024. Its totient is φ = 23467008.

The previous prime is 93504371. The next prime is 93504421. The reversal of 93504420 is 2440539.

It can be written as a sum of positive squares in 4 ways, for example, as 4088484 + 89415936 = 2022^2 + 9456^2 .

It is not an unprimeable number, because it can be changed into a prime (93504421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12219 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (4171167).

Almost surely, 293504420 is an apocalyptic number.

93504420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

93504420 is an abundant number, since it is smaller than the sum of its proper divisors (206819604).

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

93504420 is a wasteful number, since it uses less digits than its factorization.

93504420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30589 (or 30584 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 93504420 is about 9669.7683529648. The cubic root of 93504420 is about 453.8831360343.

Adding to 93504420 its reverse (2440539), we get a palindrome (95944959).

The spelling of 93504420 in words is "ninety-three million, five hundred four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 30557 61114 91671 122228 152785 183342 275013 305570 366684 458355 519469 550026 611140 916710 1038938 1100052 1375065 1558407 1833420 2077876 2597345 2750130 3116814 4675221 5194690 5500260 6233628 7792035 9350442 10389380 15584070 18700884 23376105 31168140 46752210 93504420