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2749394932 = 221016805433
BaseRepresentation
bin1010001111100000…
…0110111111110100
321002121110201210221
42203320012333310
521112321114212
61132453024124
7125063320444
oct24370067764
97077421727
102749394932
111190a64119
12648925044
1334a7bc60b
141c1210124
15111590807
hexa3e06ff4

2749394932 has 12 divisors (see below), whose sum is σ = 4859079876. Its totient is φ = 1361086400.

The previous prime is 2749394917. The next prime is 2749394951. The reversal of 2749394932 is 2394939472.

It can be written as a sum of positive squares in 2 ways, for example, as 1751087716 + 998307216 = 41846^2 + 31596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2749394932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402313 + ... + 3403120.

It is an arithmetic number, because the mean of its divisors is an integer number (404923323).

Almost surely, 22749394932 is an apocalyptic number.

It is an amenable number.

2749394932 is a deficient number, since it is larger than the sum of its proper divisors (2109684944).

2749394932 is a wasteful number, since it uses less digits than its factorization.

2749394932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805538 (or 6805536 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 52.

The square root of 2749394932 is about 52434.6729941172. The cubic root of 2749394932 is about 1400.9169048008.

The spelling of 2749394932 in words is "two billion, seven hundred forty-nine million, three hundred ninety-four thousand, nine hundred thirty-two".

Divisors: 1 2 4 101 202 404 6805433 13610866 27221732 687348733 1374697466 2749394932