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2938247 = 13792861
BaseRepresentation
bin1011001101010110000111
312112021111222
423031112013
51223010442
6142550555
733655214
oct13152607
95467458
102938247
111727604
12b9845b
137bb510
14566b0b
153d08d2
hex2cd587

2938247 has 8 divisors (see below), whose sum is σ = 3205440. Its totient is φ = 2676960.

The previous prime is 2938241. The next prime is 2938261. The reversal of 2938247 is 7428392.

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

It is a de Polignac number, because none of the positive numbers 2k-2938247 is a prime.

It is a d-powerful number, because it can be written as 214 + 9 + 313 + 86 + 220 + 4 + 75 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938241) 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, 404 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

22938247 is an apocalyptic number.

2938247 is a deficient number, since it is larger than the sum of its proper divisors (267193).

2938247 is a wasteful number, since it uses less digits than its factorization.

2938247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its digits is 24192, while the sum is 35.

The square root of 2938247 is about 1714.1315585450. The cubic root of 2938247 is about 143.2284967424.

The spelling of 2938247 in words is "two million, nine hundred thirty-eight thousand, two hundred forty-seven".

Divisors: 1 13 79 1027 2861 37193 226019 2938247