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1242834 = 23207139
BaseRepresentation
bin100101111011011010010
32100010211220
410233123102
5304232314
642345510
713364265
oct4573322
92303756
101242834
1177983a
124bb296
13346908
14244cdc
151983a9
hex12f6d2

1242834 has 8 divisors (see below), whose sum is σ = 2485680. Its totient is φ = 414276.

The previous prime is 1242827. The next prime is 1242841. The reversal of 1242834 is 4382421.

It is an interprime number because it is at equal distance from previous prime (1242827) and next prime (1242841).

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

1242834 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 25 + 46 + 217 + 8 + 310 + 410 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103564 + ... + 103575.

It is an arithmetic number, because the mean of its divisors is an integer number (310710).

21242834 is an apocalyptic number.

1242834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242834 is a wasteful number, since it uses less digits than its factorization.

1242834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207144.

The product of its digits is 1536, while the sum is 24.

The square root of 1242834 is about 1114.8246498889. The cubic root of 1242834 is about 107.5154908270.

The spelling of 1242834 in words is "one million, two hundred forty-two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 207139 414278 621417 1242834