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938216039 = 1937516473
BaseRepresentation
bin110111111011000…
…000101001100111
32102101102022110012
4313323000221213
53410140403124
6233033120435
732151463505
oct6773005147
92371368405
10938216039
11441664662
1222225911b
1311c4b7227
148c867675
1557579e0e
hex37ec0a67

938216039 has 8 divisors (see below), whose sum is σ = 944478912. Its totient is φ = 931968000.

The previous prime is 938215987. The next prime is 938216047. The reversal of 938216039 is 930612839.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-938216039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 938215987 and 938216005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938216099) 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 7 ways as a sum of consecutive naturals, for example, 141707 + ... + 148179.

It is an arithmetic number, because the mean of its divisors is an integer number (118059864).

Almost surely, 2938216039 is an apocalyptic number.

938216039 is a deficient number, since it is larger than the sum of its proper divisors (6262873).

938216039 is a wasteful number, since it uses less digits than its factorization.

938216039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 938216039 is about 30630.3124208683. The cubic root of 938216039 is about 978.9660200294.

The spelling of 938216039 in words is "nine hundred thirty-eight million, two hundred sixteen thousand, thirty-nine".

Divisors: 1 193 751 6473 144943 1249289 4861223 938216039