Search a number
-
+
1992734254 = 272171196119
BaseRepresentation
bin111011011000110…
…1011011000101110
312010212200101111101
41312301223120232
513040114444004
6525423113314
7100244650600
oct16661533056
95125611441
101992734254
11932934815
1247744283a
13259b021c4
1414c927170
15b9e29ba4
hex76c6b62e

1992734254 has 24 divisors (see below), whose sum is σ = 3681657360. Its totient is φ = 803791296.

The previous prime is 1992734243. The next prime is 1992734257. The reversal of 1992734254 is 4524372991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992734257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596394 + ... + 599725.

It is an arithmetic number, because the mean of its divisors is an integer number (153402390).

Almost surely, 21992734254 is an apocalyptic number.

1992734254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1992734254 is a deficient number, since it is larger than the sum of its proper divisors (1688923106).

1992734254 is a wasteful number, since it uses less digits than its factorization.

1992734254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196152 (or 1196145 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 1992734254 is about 44640.0521281058. The cubic root of 1992734254 is about 1258.3934875307.

The spelling of 1992734254 in words is "one billion, nine hundred ninety-two million, seven hundred thirty-four thousand, two hundred fifty-four".

Divisors: 1 2 7 14 17 34 49 98 119 238 833 1666 1196119 2392238 8372833 16745666 20334023 40668046 58609831 117219662 142338161 284676322 996367127 1992734254