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2729426 = 271931331
BaseRepresentation
bin1010011010010111010010
312010200001212
422122113102
51144320201
6134300122
732125340
oct12322722
95120055
102729426
1115a4727
12ab7642
1374745b
14510990
1538dabb
hex29a5d2

2729426 has 32 divisors (see below), whose sum is σ = 5099520. Its totient is φ = 1069200.

The previous prime is 2729423. The next prime is 2729429. The reversal of 2729426 is 6249272.

2729426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2729423) and next prime (2729429).

It is a d-powerful number, because it can be written as 26 + 72 + 210 + 92 + 42 + 220 + 68 .

It is a junction number, because it is equal to n+sod(n) for n = 2729392 and 2729401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8081 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (159360).

22729426 is an apocalyptic number.

2729426 is a deficient number, since it is larger than the sum of its proper divisors (2370094).

2729426 is a wasteful number, since it uses less digits than its factorization.

2729426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 12096, while the sum is 32.

The square root of 2729426 is about 1652.0974547526. The cubic root of 2729426 is about 139.7517027494.

The spelling of 2729426 in words is "two million, seven hundred twenty-nine thousand, four hundred twenty-six".

Divisors: 1 2 7 14 19 31 38 62 133 217 266 331 434 589 662 1178 2317 4123 4634 6289 8246 10261 12578 20522 44023 71827 88046 143654 194959 389918 1364713 2729426