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68948942 = 234474471
BaseRepresentation
bin1000001110000…
…01001111001110
311210201222011112
410013001033032
5120122331232
610501452022
71465025216
oct407011716
9153658145
1068948942
1135a133a7
121b111012
13113912ba
14922b246
1560be4b2
hex41c13ce

68948942 has 4 divisors (see below), whose sum is σ = 103423416. Its totient is φ = 34474470.

The previous prime is 68948941. The next prime is 68948969. The reversal of 68948942 is 24984986.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68948941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17237234 + ... + 17237237.

It is an arithmetic number, because the mean of its divisors is an integer number (25855854).

Almost surely, 268948942 is an apocalyptic number.

68948942 is a deficient number, since it is larger than the sum of its proper divisors (34474474).

68948942 is a wasteful number, since it uses less digits than its factorization.

68948942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34474473.

The product of its digits is 995328, while the sum is 50.

The square root of 68948942 is about 8303.5499637203. The cubic root of 68948942 is about 410.0554000094.

The spelling of 68948942 in words is "sixty-eight million, nine hundred forty-eight thousand, nine hundred forty-two".

Divisors: 1 2 34474471 68948942