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20379374 = 210398929
BaseRepresentation
bin100110110111…
…1011011101110
31102100101020122
41031233123232
520204114444
62004444542
7335136041
oct115573356
942311218
1020379374
111055a364
1269a9752
1342b7002
1429c6c58
151bc84ee
hex136f6ee

20379374 has 8 divisors (see below), whose sum is σ = 30866160. Its totient is φ = 10090656.

The previous prime is 20379371. The next prime is 20379389. The reversal of 20379374 is 47397302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20379371) 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 3 ways as a sum of consecutive naturals, for example, 49259 + ... + 49670.

It is an arithmetic number, because the mean of its divisors is an integer number (3858270).

Almost surely, 220379374 is an apocalyptic number.

20379374 is a deficient number, since it is larger than the sum of its proper divisors (10486786).

20379374 is a wasteful number, since it uses less digits than its factorization.

20379374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99034.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 20379374 is about 4514.3520022258. The cubic root of 20379374 is about 273.1473217203.

It can be divided in two parts, 2037 and 9374, that added together give a palindrome (11411).

The spelling of 20379374 in words is "twenty million, three hundred seventy-nine thousand, three hundred seventy-four".

Divisors: 1 2 103 206 98929 197858 10189687 20379374