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2269408 = 2570919
BaseRepresentation
bin1000101010000011100000
311021022001011
420222003200
51040110113
6120350304
725201231
oct10520340
94238034
102269408
111310049
12915394
13615c5b
14431088
152ec63d
hex22a0e0

2269408 has 12 divisors (see below), whose sum is σ = 4467960. Its totient is φ = 1134688.

The previous prime is 2269361. The next prime is 2269409. The reversal of 2269408 is 8049622.

It is a self number, because there is not a number n which added to its sum of digits gives 2269408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35428 + ... + 35491.

It is an arithmetic number, because the mean of its divisors is an integer number (372330).

22269408 is an apocalyptic number.

It is an amenable number.

2269408 is a deficient number, since it is larger than the sum of its proper divisors (2198552).

2269408 is an equidigital number, since it uses as much as digits as its factorization.

2269408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70929 (or 70921 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2269408 is about 1506.4554424210. The cubic root of 2269408 is about 131.4127571214.

The spelling of 2269408 in words is "two million, two hundred sixty-nine thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 70919 141838 283676 567352 1134704 2269408