Search a number
-
+
193031346 = 23113284707
BaseRepresentation
bin10111000000101…
…10110010110010
3111110020000020010
423200112302302
5343404000341
631053155350
74532511414
oct1340266262
9443200203
10193031346
1199a63342
125478bb56
1330cb7441
141b8ca9b4
1511e2e716
hexb816cb2

193031346 has 16 divisors (see below), whose sum is σ = 389480544. Its totient is φ = 63774144.

The previous prime is 193031339. The next prime is 193031359. The reversal of 193031346 is 643130391.

It is a super-2 number, since 2×1930313462 = 74522201077143432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141676 + ... + 143031.

It is an arithmetic number, because the mean of its divisors is an integer number (24342534).

Almost surely, 2193031346 is an apocalyptic number.

193031346 is an abundant number, since it is smaller than the sum of its proper divisors (196449198).

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

193031346 is a wasteful number, since it uses less digits than its factorization.

193031346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284825.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 193031346 is about 13893.5721108720. The cubic root of 193031346 is about 577.9309412510.

The spelling of 193031346 in words is "one hundred ninety-three million, thirty-one thousand, three hundred forty-six".

Divisors: 1 2 3 6 113 226 339 678 284707 569414 854121 1708242 32171891 64343782 96515673 193031346