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2920269 = 31188493
BaseRepresentation
bin1011001000111101001101
312111100212010
423020331031
51221422034
6142331433
733551622
oct13107515
95440763
102920269
111715050
12b89b79
137b3291
14560349
153ca3e9
hex2c8f4d

2920269 has 8 divisors (see below), whose sum is σ = 4247712. Its totient is φ = 1769840.

The previous prime is 2920249. The next prime is 2920273. The reversal of 2920269 is 9620292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2920269 - 25 = 2920237 is a prime.

It is a super-2 number, since 2×29202692 = 17055942064722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44214 + ... + 44279.

It is an arithmetic number, because the mean of its divisors is an integer number (530964).

22920269 is an apocalyptic number.

It is an amenable number.

2920269 is a deficient number, since it is larger than the sum of its proper divisors (1327443).

2920269 is a wasteful number, since it uses less digits than its factorization.

2920269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88507.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2920269 is about 1708.8794574223. The cubic root of 2920269 is about 142.9357789447.

The spelling of 2920269 in words is "two million, nine hundred twenty thousand, two hundred sixty-nine".

Divisors: 1 3 11 33 88493 265479 973423 2920269