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2742927 = 311431933
BaseRepresentation
bin1010011101101010001111
312011100120220
422131222033
51200233202
6134442423
732212605
oct12355217
95140526
102742927
111603890
12b03413
13750645
14515875
15392abc
hex29da8f

2742927 has 16 divisors (see below), whose sum is σ = 4084608. Its totient is φ = 1622880.

The previous prime is 2742919. The next prime is 2742931. The reversal of 2742927 is 7292472.

It is not a de Polignac number, because 2742927 - 23 = 2742919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742917) 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 15 ways as a sum of consecutive naturals, for example, 453 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (255288).

22742927 is an apocalyptic number.

2742927 is a deficient number, since it is larger than the sum of its proper divisors (1341681).

2742927 is a wasteful number, since it uses less digits than its factorization.

2742927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its digits is 14112, while the sum is 33.

The square root of 2742927 is about 1656.1784324160. The cubic root of 2742927 is about 139.9817493216.

The spelling of 2742927 in words is "two million, seven hundred forty-two thousand, nine hundred twenty-seven".

Divisors: 1 3 11 33 43 129 473 1419 1933 5799 21263 63789 83119 249357 914309 2742927