Search a number
-
+
1914195025 = 522967157251
BaseRepresentation
bin111001000011000…
…0100110001010001
311221101220011221001
41302012010301101
512410013220100
6513535502001
765302250341
oct16206046121
94841804831
101914195025
118a2571066
12455087901
132467639a2
14142320d21
15b30b3d6a
hex72184c51

1914195025 has 48 divisors (see below), whose sum is σ = 2517963840. Its totient is φ = 1441440000.

The previous prime is 1914194999. The next prime is 1914195047. The reversal of 1914195025 is 5205914191.

It is a de Polignac number, because none of the positive numbers 2k-1914195025 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7626150 + ... + 7626400.

It is an arithmetic number, because the mean of its divisors is an integer number (52457580).

Almost surely, 21914195025 is an apocalyptic number.

It is an amenable number.

1914195025 is a deficient number, since it is larger than the sum of its proper divisors (603768815).

1914195025 is a wasteful number, since it uses less digits than its factorization.

1914195025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 1914195025 is about 43751.5145452132. The cubic root of 1914195025 is about 1241.6391401692.

The spelling of 1914195025 in words is "one billion, nine hundred fourteen million, one hundred ninety-five thousand, twenty-five".

Divisors: 1 5 25 29 67 145 157 251 335 725 785 1255 1675 1943 3925 4553 6275 7279 9715 10519 16817 22765 36395 39407 48575 52595 84085 113825 181975 197035 262975 305051 420425 487693 985175 1142803 1525255 2438465 2640269 5714015 7626275 12192325 13201345 28570075 66006725 76567801 382839005 1914195025