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19700004 = 2233152957
BaseRepresentation
bin100101100100…
…1100100100100
31101001212022210
41023021210210
520020400004
61542123420
7326306262
oct113114444
941055283
1019700004
11101359a5
126720570
134109a0c
14288b432
151ae2089
hex12c9924

19700004 has 24 divisors (see below), whose sum is σ = 47450368. Its totient is φ = 6354720.

The previous prime is 19699997. The next prime is 19700027. The reversal of 19700004 is 40000791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26107 + ... + 26850.

Almost surely, 219700004 is an apocalyptic number.

It is an amenable number.

19700004 is an abundant number, since it is smaller than the sum of its proper divisors (27750364).

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

19700004 is a wasteful number, since it uses less digits than its factorization.

19700004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52995 (or 52993 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 19700004 is about 4438.4686548403. The cubic root of 19700004 is about 270.0777279644.

Adding to 19700004 its reverse (40000791), we get a palindrome (59700795).

The spelling of 19700004 in words is "nineteen million, seven hundred thousand, four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 52957 105914 158871 211828 317742 635484 1641667 3283334 4925001 6566668 9850002 19700004