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938942492 = 22792971337
BaseRepresentation
bin110111111101110…
…010000000011100
32102102210012221212
4313331302000130
53410332124432
6233100443552
732160610445
oct6775620034
92372705855
10938942492
11442010434
122225495b8
1311c6aca97
148c9b62cc
15576702b2
hex37f7201c

938942492 has 12 divisors (see below), whose sum is σ = 1663949280. Its totient is φ = 463528416.

The previous prime is 938942479. The next prime is 938942497. The reversal of 938942492 is 294249839.

It is a happy number.

It is a super-2 number, since 2×9389424922 = 1763226006566340128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 938942492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938942497) 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, 1485353 + ... + 1485984.

It is an arithmetic number, because the mean of its divisors is an integer number (138662440).

Almost surely, 2938942492 is an apocalyptic number.

It is an amenable number.

938942492 is a deficient number, since it is larger than the sum of its proper divisors (725006788).

938942492 is a wasteful number, since it uses less digits than its factorization.

938942492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971420 (or 2971418 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 938942492 is about 30642.1685263951. The cubic root of 938942492 is about 979.2186233033.

The spelling of 938942492 in words is "nine hundred thirty-eight million, nine hundred forty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 79 158 316 2971337 5942674 11885348 234735623 469471246 938942492