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2078242 = 21815741
BaseRepresentation
bin111111011011000100010
310220120210221
413323120202
51013000432
6112313254
723444005
oct7733042
93816727
102078242
11119a461
1284282a
13579c3a
143c153c
152b0b97
hex1fb622

2078242 has 8 divisors (see below), whose sum is σ = 3135132. Its totient is φ = 1033200.

The previous prime is 2078221. The next prime is 2078243. The reversal of 2078242 is 2428702.

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 231361 = 1359^2 + 481^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2078243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2509 + ... + 3232.

22078242 is an apocalyptic number.

2078242 is a deficient number, since it is larger than the sum of its proper divisors (1056890).

2078242 is a wasteful number, since it uses less digits than its factorization.

2078242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2078242 is about 1441.6109045093. The cubic root of 2078242 is about 127.6141128837.

The spelling of 2078242 in words is "two million, seventy-eight thousand, two hundred forty-two".

Divisors: 1 2 181 362 5741 11482 1039121 2078242