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1938416074 = 27138458291
BaseRepresentation
bin111001110001001…
…1110000111001010
312000002110201221221
41303202132013022
512432213303244
6520202552254
766015156550
oct16342360712
95002421857
101938416074
11905204761
1246120868a
1324b79447a
14145627bd0
15b529a784
hex7389e1ca

1938416074 has 8 divisors (see below), whose sum is σ = 3322999008. Its totient is φ = 830749740.

The previous prime is 1938416059. The next prime is 1938416089. The reversal of 1938416074 is 4706148391.

It is an interprime number because it is at equal distance from previous prime (1938416059) and next prime (1938416089).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1938416074.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69229132 + ... + 69229159.

It is an arithmetic number, because the mean of its divisors is an integer number (415374876).

Almost surely, 21938416074 is an apocalyptic number.

1938416074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1938416074 is a deficient number, since it is larger than the sum of its proper divisors (1384582934).

1938416074 is a wasteful number, since it uses less digits than its factorization.

1938416074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138458300.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1938416074 is about 44027.4468258154. The cubic root of 1938416074 is about 1246.8541855090.

The spelling of 1938416074 in words is "one billion, nine hundred thirty-eight million, four hundred sixteen thousand, seventy-four".

Divisors: 1 2 7 14 138458291 276916582 969208037 1938416074