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1949112930 = 235109596059
BaseRepresentation
bin111010000101101…
…0001101001100010
312000211121012021210
41310023101221202
512442433103210
6521224130550
766205120662
oct16413215142
95024535253
101949112930
11910250436
12464906a56
13250a6b27b
14146c101a2
15b61aee20
hex742d1a62

1949112930 has 32 divisors (see below), whose sum is σ = 4720795200. Its totient is φ = 514994112.

The previous prime is 1949112923. The next prime is 1949112959. The reversal of 1949112930 is 392119491.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294760 + ... + 301299.

It is an arithmetic number, because the mean of its divisors is an integer number (147524850).

Almost surely, 21949112930 is an apocalyptic number.

1949112930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949112930 is an abundant number, since it is smaller than the sum of its proper divisors (2771682270).

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

1949112930 is a wasteful number, since it uses less digits than its factorization.

1949112930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596178.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1949112930 is about 44148.7590992091. The cubic root of 1949112930 is about 1249.1435050004.

The spelling of 1949112930 in words is "one billion, nine hundred forty-nine million, one hundred twelve thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 596059 1192118 1788177 2980295 3576354 5960590 8940885 17881770 64970431 129940862 194911293 324852155 389822586 649704310 974556465 1949112930