Search a number
-
+
200103155 = 57191312297
BaseRepresentation
bin10111110110101…
…01010011110011
3111221112021220222
423323111103303
5402211300110
631504523255
74646564060
oct1373252363
9457467828
10200103155
11a2a5350a
125702052b
13325c2245
141c80bc67
1512879c55
hexbed54f3

200103155 has 32 divisors (see below), whose sum is σ = 291202560. Its totient is φ = 128943360.

The previous prime is 200103133. The next prime is 200103157. The reversal of 200103155 is 551301002.

It is not a de Polignac number, because 200103155 - 216 = 200037619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200103157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85967 + ... + 88263.

It is an arithmetic number, because the mean of its divisors is an integer number (9100080).

Almost surely, 2200103155 is an apocalyptic number.

200103155 is a deficient number, since it is larger than the sum of its proper divisors (91099405).

200103155 is a wasteful number, since it uses less digits than its factorization.

200103155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 200103155 is about 14145.7822335847. The cubic root of 200103155 is about 584.9040727117.

Adding to 200103155 its reverse (551301002), we get a palindrome (751404157).

The spelling of 200103155 in words is "two hundred million, one hundred three thousand, one hundred fifty-five".

Divisors: 1 5 7 19 35 95 131 133 655 665 917 2297 2489 4585 11485 12445 16079 17423 43643 80395 87115 218215 300907 305501 1504535 1527505 2106349 5717233 10531745 28586165 40020631 200103155