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3782740 = 2251314549
BaseRepresentation
bin1110011011100001010100
321010011221111
432123201110
51432021430
6213024404
744103253
oct16334124
97104844
103782740
112154035
121325104
13a25a10
1470679a
154eac2a
hex39b854

3782740 has 24 divisors (see below), whose sum is σ = 8555400. Its totient is φ = 1396608.

The previous prime is 3782699. The next prime is 3782773. The reversal of 3782740 is 472873.

3782740 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 352836 + 3429904 = 594^2 + 1852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015 + ... + 7534.

It is an arithmetic number, because the mean of its divisors is an integer number (356475).

Almost surely, 23782740 is an apocalyptic number.

It is an amenable number.

3782740 is an abundant number, since it is smaller than the sum of its proper divisors (4772660).

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

3782740 is a wasteful number, since it uses less digits than its factorization.

3782740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3782740 is about 1944.9267338386. The cubic root of 3782740 is about 155.8124526787.

The spelling of 3782740 in words is "three million, seven hundred eighty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 14549 29098 58196 72745 145490 189137 290980 378274 756548 945685 1891370 3782740