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19370130 = 2351349667
BaseRepresentation
bin100100111100…
…1000010010010
31100110002211020
41021321002102
514424321010
61531100310
7323433453
oct111710222
940402736
1019370130
11aa3007a
1265a1696
134022820
14280312a
151a79470
hex1279092

19370130 has 32 divisors (see below), whose sum is σ = 50065344. Its totient is φ = 4767936.

The previous prime is 19370119. The next prime is 19370147. The reversal of 19370130 is 3107391.

It is a self number, because there is not a number n which added to its sum of digits gives 19370130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24444 + ... + 25223.

It is an arithmetic number, because the mean of its divisors is an integer number (1564542).

Almost surely, 219370130 is an apocalyptic number.

19370130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19370130 is an abundant number, since it is smaller than the sum of its proper divisors (30695214).

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

19370130 is a wasteful number, since it uses less digits than its factorization.

19370130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49690.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 19370130 is about 4401.1509858218. The cubic root of 19370130 is about 268.5617625431.

The spelling of 19370130 in words is "nineteen million, three hundred seventy thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 49667 99334 149001 248335 298002 496670 645671 745005 1291342 1490010 1937013 3228355 3874026 6456710 9685065 19370130