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939949941 = 37173796947
BaseRepresentation
bin111000000001100…
…111111101110101
32102111200101220210
4320001213331311
53411111344231
6233134220033
732202304560
oct7001477565
92374611823
10939949941
11442639337
12222954619
1311c9734c8
148cb994d7
15577bda46
hex38067f75

939949941 has 32 divisors (see below), whose sum is σ = 1520778240. Its totient is φ = 504112896.

The previous prime is 939949921. The next prime is 939949949. The reversal of 939949941 is 149949939.

It is not a de Polignac number, because 939949941 - 25 = 939949909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939949949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131830 + ... + 138776.

It is an arithmetic number, because the mean of its divisors is an integer number (47524320).

Almost surely, 2939949941 is an apocalyptic number.

It is an amenable number.

939949941 is a deficient number, since it is larger than the sum of its proper divisors (580828299).

939949941 is a wasteful number, since it uses less digits than its factorization.

939949941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353.

The product of its digits is 2834352, while the sum is 57.

The square root of 939949941 is about 30658.6030503674. The cubic root of 939949941 is about 979.5687193640.

It can be divided in two parts, 9399 and 49941, that added together give a triangular number (59340 = T344).

The spelling of 939949941 in words is "nine hundred thirty-nine million, nine hundred forty-nine thousand, nine hundred forty-one".

Divisors: 1 3 7 17 21 51 119 357 379 1137 2653 6443 6947 7959 19329 20841 45101 48629 118099 135303 145887 354297 826693 2480079 2632913 7898739 18430391 44759521 55291173 134278563 313316647 939949941