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4002292 = 227142939
BaseRepresentation
bin1111010001000111110100
321112100010001
433101013310
52011033132
6221441044
746006330
oct17210764
97470101
104002292
112293a88
121410184
13aa1928
147627c0
15540ce7
hex3d11f4

4002292 has 12 divisors (see below), whose sum is σ = 8004640. Its totient is φ = 1715256.

The previous prime is 4002281. The next prime is 4002301. The reversal of 4002292 is 2922004.

It is a happy number.

4002292 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71442 + ... + 71497.

Almost surely, 24002292 is an apocalyptic number.

It is an amenable number.

4002292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4002292 is a wasteful number, since it uses less digits than its factorization.

4002292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142950 (or 142948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4002292 is about 2000.5729179413. The cubic root of 4002292 is about 158.7704187678.

Subtracting from 4002292 its product of nonzero digits (288), we obtain a palindrome (4002004).

Adding to 4002292 its reverse (2922004), we get a palindrome (6924296).

The spelling of 4002292 in words is "four million, two thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 142939 285878 571756 1000573 2001146 4002292