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1942012949 = 31137457267
BaseRepresentation
bin111001111000000…
…1100010000010101
312000100020110221112
41303300030100111
512434123403244
6520412024405
766060560222
oct16360142025
95010213845
101942012949
11907241088
12462462105
1324c4536b6
14145cc2949
15b575b39e
hex73c0c415

1942012949 has 8 divisors (see below), whose sum is σ = 2019295488. Its totient is φ = 1865645280.

The previous prime is 1942012931. The next prime is 1942012957. The reversal of 1942012949 is 9492102491.

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

It is a cyclic number.

It is not a de Polignac number, because 1942012949 - 224 = 1925235733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942012979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224387 + ... + 232880.

It is an arithmetic number, because the mean of its divisors is an integer number (252411936).

Almost surely, 21942012949 is an apocalyptic number.

It is an amenable number.

1942012949 is a deficient number, since it is larger than the sum of its proper divisors (77282539).

1942012949 is a wasteful number, since it uses less digits than its factorization.

1942012949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457435.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1942012949 is about 44068.2759930542. The cubic root of 1942012949 is about 1247.6249191711.

The spelling of 1942012949 in words is "one billion, nine hundred forty-two million, twelve thousand, nine hundred forty-nine".

Divisors: 1 31 137 4247 457267 14175277 62645579 1942012949