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2906253 = 33715377
BaseRepresentation
bin1011000101100010001101
312110122122000
423011202031
51221000003
6142142513
733463020
oct13054215
95418560
102906253
111705569
12b81a39
137a9a9c
145591b7
153c61a3
hex2c588d

2906253 has 16 divisors (see below), whose sum is σ = 4920960. Its totient is φ = 1660608.

The previous prime is 2906231. The next prime is 2906261. The reversal of 2906253 is 3526092.

It is not a de Polignac number, because 2906253 - 212 = 2902157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7500 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (307560).

22906253 is an apocalyptic number.

It is an amenable number.

2906253 is a deficient number, since it is larger than the sum of its proper divisors (2014707).

2906253 is a wasteful number, since it uses less digits than its factorization.

2906253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15393 (or 15387 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2906253 is about 1704.7735920057. The cubic root of 2906253 is about 142.7067359380.

The spelling of 2906253 in words is "two million, nine hundred six thousand, two hundred fifty-three".

Divisors: 1 3 7 9 21 27 63 189 15377 46131 107639 138393 322917 415179 968751 2906253