Search a number
-
+
193072956 = 22337434849
BaseRepresentation
bin10111000001000…
…00111100111100
3111110022010022020
423200200330330
5343411313311
631054120140
74533043626
oct1340407474
9443263266
10193072956
1199a9162a
12547b0050
133100036b
141b8dbc16
1511e3bc06
hexb820f3c

193072956 has 24 divisors (see below), whose sum is σ = 462680400. Its totient is φ = 62618112.

The previous prime is 193072931. The next prime is 193073009. The reversal of 193072956 is 659270391.

It is a congruent number.

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, 216981 + ... + 217868.

It is an arithmetic number, because the mean of its divisors is an integer number (19278350).

Almost surely, 2193072956 is an apocalyptic number.

It is an amenable number.

193072956 is an abundant number, since it is smaller than the sum of its proper divisors (269607444).

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

193072956 is a wasteful number, since it uses less digits than its factorization.

193072956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434893 (or 434891 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 193072956 is about 13895.0694852527. The cubic root of 193072956 is about 577.9724646948.

The spelling of 193072956 in words is "one hundred ninety-three million, seventy-two thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 434849 869698 1304547 1739396 2609094 5218188 16089413 32178826 48268239 64357652 96536478 193072956