Search a number
-
+
193104920 = 2354827623
BaseRepresentation
bin10111000001010…
…00110000011000
3111110100202011002
423200220300120
5343413324140
631054524132
74533236051
oct1340506030
9443322132
10193104920
119a003648
1254806648
1331011a88
141b909728
1511e46415
hexb828c18

193104920 has 16 divisors (see below), whose sum is σ = 434486160. Its totient is φ = 77241952.

The previous prime is 193104911. The next prime is 193104943. The reversal of 193104920 is 29401391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413772 + ... + 2413851.

It is an arithmetic number, because the mean of its divisors is an integer number (27155385).

Almost surely, 2193104920 is an apocalyptic number.

193104920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193104920 is an abundant number, since it is smaller than the sum of its proper divisors (241381240).

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

193104920 is a wasteful number, since it uses less digits than its factorization.

193104920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827634 (or 4827630 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 193104920 is about 13896.2196298130. The cubic root of 193104920 is about 578.0043581525.

The spelling of 193104920 in words is "one hundred ninety-three million, one hundred four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 4827623 9655246 19310492 24138115 38620984 48276230 96552460 193104920