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94821380 = 22537971321
BaseRepresentation
bin1011010011011…
…01110000000100
320121102102110222
411221231300010
5143233241010
613224203512
72230653113
oct551556004
9217372428
1094821380
1149584785
1227909598
131684c634
14c843c7a
1584d0355
hex5a6dc04

94821380 has 48 divisors (see below), whose sum is σ = 206771376. Its totient is φ = 36495360.

The previous prime is 94821347. The next prime is 94821383. The reversal of 94821380 is 8312849.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13424896 + 81396484 = 3664^2 + 9022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 94821380.

It is not an unprimeable number, because it can be changed into a prime (94821383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71120 + ... + 72440.

It is an arithmetic number, because the mean of its divisors is an integer number (4307737).

Almost surely, 294821380 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 94821380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103385688).

94821380 is an abundant number, since it is smaller than the sum of its proper divisors (111949996).

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

94821380 is a wasteful number, since it uses less digits than its factorization.

94821380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 94821380 is about 9737.6270209944. The cubic root of 94821380 is about 456.0041102020.

The spelling of 94821380 in words is "ninety-four million, eight hundred twenty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 97 148 185 194 370 388 485 740 970 1321 1940 2642 3589 5284 6605 7178 13210 14356 17945 26420 35890 48877 71780 97754 128137 195508 244385 256274 488770 512548 640685 977540 1281370 2562740 4741069 9482138 18964276 23705345 47410690 94821380