Search a number
-
+
1992616930 = 25271735283
BaseRepresentation
bin111011011000100…
…1110101111100010
312010212110102120001
41312301032233202
513040102220210
6525420410214
7100243651543
oct16661165742
95125412501
101992616930
11932864657
124773a696a
13259a90995
1414c8d64ca
15b9e0503a
hex76c4ebe2

1992616930 has 16 divisors (see below), whose sum is σ = 3599950464. Its totient is φ = 794104560.

The previous prime is 1992616823. The next prime is 1992616943. The reversal of 1992616930 is 396162991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364932 + ... + 370351.

It is an arithmetic number, because the mean of its divisors is an integer number (224996904).

Almost surely, 21992616930 is an apocalyptic number.

1992616930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992616930 is a deficient number, since it is larger than the sum of its proper divisors (1607333534).

1992616930 is a wasteful number, since it uses less digits than its factorization.

1992616930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735561.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 1992616930 is about 44638.7379973941. The cubic root of 1992616930 is about 1258.3687907010.

It can be divided in two parts, 19926 and 16930, that added together give a triangular number (36856 = T271).

The spelling of 1992616930 in words is "one billion, nine hundred ninety-two million, six hundred sixteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 271 542 1355 2710 735283 1470566 3676415 7352830 199261693 398523386 996308465 1992616930