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2742764 = 2219151239
BaseRepresentation
bin1010011101100111101100
312011100100212
422131213230
51200232024
6134441552
732212253
oct12354754
95140325
102742764
111603752
12b032b8
1375054b
1451579a
15392a0e
hex29d9ec

2742764 has 24 divisors (see below), whose sum is σ = 5107200. Its totient is φ = 1285200.

The previous prime is 2742757. The next prime is 2742769. The reversal of 2742764 is 4672472.

It is a self number, because there is not a number n which added to its sum of digits gives 2742764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11357 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (212800).

22742764 is an apocalyptic number.

It is an amenable number.

2742764 is a deficient number, since it is larger than the sum of its proper divisors (2364436).

2742764 is a wasteful number, since it uses less digits than its factorization.

2742764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 411 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 2742764 is about 1656.1292220114. The cubic root of 2742764 is about 139.9789764349.

The spelling of 2742764 in words is "two million, seven hundred forty-two thousand, seven hundred sixty-four".

Divisors: 1 2 4 19 38 76 151 239 302 478 604 956 2869 4541 5738 9082 11476 18164 36089 72178 144356 685691 1371382 2742764