Search a number
-
+
19970714 = 215763601
BaseRepresentation
bin100110000101…
…1101010011010
31101120121200002
41030023222122
520103030324
61552013002
7331514441
oct114135232
941517602
1019970714
1110300325
126831162
1341a2cba
14291bd58
151b473ae
hex130ba9a

19970714 has 8 divisors (see below), whose sum is σ = 30147348. Its totient is φ = 9921600.

The previous prime is 19970711. The next prime is 19970719. The reversal of 19970714 is 41707991.

It can be written as a sum of positive squares in 2 ways, for example, as 19651489 + 319225 = 4433^2 + 565^2 .

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

It is not an unprimeable number, because it can be changed into a prime (19970711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31487 + ... + 32114.

Almost surely, 219970714 is an apocalyptic number.

19970714 is a deficient number, since it is larger than the sum of its proper divisors (10176634).

19970714 is a wasteful number, since it uses less digits than its factorization.

19970714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63760.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 19970714 is about 4468.8604811518. The cubic root of 19970714 is about 271.3092062142.

The spelling of 19970714 in words is "nineteen million, nine hundred seventy thousand, seven hundred fourteen".

Divisors: 1 2 157 314 63601 127202 9985357 19970714