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94420240 = 2451180253
BaseRepresentation
bin1011010000010…
…11110100010000
320120200001012221
411220023310100
5143132421430
613211430424
72224362445
oct550136420
9216601187
1094420240
1149330362
1227755414
131673bb85
14c77b9cc
15845157a
hex5a0bd10

94420240 has 20 divisors (see below), whose sum is σ = 219527244. Its totient is φ = 37768064.

The previous prime is 94420229. The next prime is 94420243. The reversal of 94420240 is 4202449.

It can be written as a sum of positive squares in 2 ways, for example, as 23658496 + 70761744 = 4864^2 + 8412^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (94420243) 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 3 ways as a sum of consecutive naturals, for example, 590047 + ... + 590206.

Almost surely, 294420240 is an apocalyptic number.

It is an amenable number.

94420240 is an abundant number, since it is smaller than the sum of its proper divisors (125107004).

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

94420240 is a wasteful number, since it uses less digits than its factorization.

94420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180266 (or 1180260 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 94420240 is about 9717.0077698847. The cubic root of 94420240 is about 455.3601624435.

Adding to 94420240 its reverse (4202449), we get a palindrome (98622689).

The spelling of 94420240 in words is "ninety-four million, four hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1180253 2360506 4721012 5901265 9442024 11802530 18884048 23605060 47210120 94420240