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194939368 = 23131874417
BaseRepresentation
bin10111001111010…
…00100111101000
3111120210221112121
423213220213220
5344401024433
631202121024
74554646231
oct1347504750
9446727477
10194939368
11a0046918
1255350174
1331504a50
141bc66088
15121a9c2d
hexb9e89e8

194939368 has 16 divisors (see below), whose sum is σ = 393627780. Its totient is φ = 89971968.

The previous prime is 194939317. The next prime is 194939389. The reversal of 194939368 is 863939491.

It can be written as a sum of positive squares in 2 ways, for example, as 188293284 + 6646084 = 13722^2 + 2578^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 937105 + ... + 937312.

Almost surely, 2194939368 is an apocalyptic number.

It is an amenable number.

194939368 is an abundant number, since it is smaller than the sum of its proper divisors (198688412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194939368 is a wasteful number, since it uses less digits than its factorization.

194939368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874436 (or 1874432 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 194939368 is about 13962.0689011335. The cubic root of 194939368 is about 579.8288912613.

The spelling of 194939368 in words is "one hundred ninety-four million, nine hundred thirty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 1874417 3748834 7497668 14995336 24367421 48734842 97469684 194939368