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40465242 = 2322248069
BaseRepresentation
bin1001101001011…
…1001101011010
32211010211212200
42122113031122
540324341432
64003151030
71000643316
oct232271532
984124780
1040465242
1120929154
1211675476
1384ca53c
145534b46
153844a7c
hex269735a

40465242 has 12 divisors (see below), whose sum is σ = 87674730. Its totient is φ = 13488408.

The previous prime is 40465223. The next prime is 40465259. The reversal of 40465242 is 24256404.

40465242 is a `hidden beast` number, since 4 + 0 + 4 + 652 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29713401 + 10751841 = 5451^2 + 3279^2 .

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, 1124017 + ... + 1124052.

Almost surely, 240465242 is an apocalyptic number.

40465242 is an abundant number, since it is smaller than the sum of its proper divisors (47209488).

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

40465242 is a wasteful number, since it uses less digits than its factorization.

40465242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248077 (or 2248074 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40465242 is about 6361.2295981202. The cubic root of 40465242 is about 343.3160027280.

The spelling of 40465242 in words is "forty million, four hundred sixty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 2248069 4496138 6744207 13488414 20232621 40465242