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94420089 = 32412792
BaseRepresentation
bin1011010000010…
…11110001111001
320120200001000100
411220023301321
5143132420324
613211430013
72224362141
oct550136171
9216601010
1094420089
1149330235
1227755309
131673ba9a
14c77b921
1584514c9
hex5a0bc79

94420089 has 27 divisors (see below), whose sum is σ = 141584079. Its totient is φ = 60634080.

The previous prime is 94420061. The next prime is 94420093. The reversal of 94420089 is 98002449.

It is a happy number.

The square root of 94420089 is 9717.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4549689 + 89870400 = 2133^2 + 9480^2 .

It is not a de Polignac number, because 94420089 - 27 = 94419961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94420019) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1195152 + ... + 1195230.

Almost surely, 294420089 is an apocalyptic number.

94420089 is the 9717-th square number.

94420089 is the 4859-th centered octagonal number.

It is an amenable number.

94420089 is a deficient number, since it is larger than the sum of its proper divisors (47163990).

94420089 is an equidigital number, since it uses as much as digits as its factorization.

94420089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The cubic root of 94420089 is about 455.3599197010.

Multiplying 94420089 by its sum of digits (36), we get a square (3399123204 = 583022).

Multiplying 94420089 by its product of nonzero digits (20736), we get a square (1957894965504 = 13992482).

The spelling of 94420089 in words is "ninety-four million, four hundred twenty thousand, eighty-nine".

Divisors: 1 3 9 41 79 123 237 369 711 1681 3239 5043 6241 9717 15129 18723 29151 56169 132799 255881 398397 767643 1195191 2302929 10491121 31473363 94420089