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2438946 = 232135497
BaseRepresentation
bin1001010011011100100010
311120220121100
421103130202
51111021241
6124135230
726505426
oct11233442
94526540
102438946
111416464
12997516
13675183
14476b86
153329b6
hex253722

2438946 has 12 divisors (see below), whose sum is σ = 5284422. Its totient is φ = 812976.

The previous prime is 2438927. The next prime is 2438957. The reversal of 2438946 is 6498342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 408321 = 1425^2 + 639^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 221 + 43 + 34 + 85 + 92 + 49 + 66 .

It is a self number, because there is not a number n which added to its sum of digits gives 2438946.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67731 + ... + 67766.

22438946 is an apocalyptic number.

2438946 is an abundant number, since it is smaller than the sum of its proper divisors (2845476).

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

2438946 is a wasteful number, since it uses less digits than its factorization.

2438946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135505 (or 135502 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2438946 is about 1561.7125215609. The cubic root of 2438946 is about 134.6069224361.

The spelling of 2438946 in words is "two million, four hundred thirty-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 18 135497 270994 406491 812982 1219473 2438946