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30740534 = 2112592153
BaseRepresentation
bin111010101000…
…1000000110110
32010211210002022
41311101000312
530332144114
63014513142
7522201356
oct165210066
963753068
1030740534
1116396900
12a3657b2
1364a4086
144122b66
152a7348e
hex1d51036

30740534 has 24 divisors (see below), whose sum is σ = 51566760. Its totient is φ = 13729760.

The previous prime is 30740533. The next prime is 30740569. The reversal of 30740534 is 43504703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740531) 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 11 ways as a sum of consecutive naturals, for example, 13202 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (2148615).

Almost surely, 230740534 is an apocalyptic number.

30740534 is a deficient number, since it is larger than the sum of its proper divisors (20826226).

30740534 is a wasteful number, since it uses less digits than its factorization.

30740534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 30740534 is about 5544.4146670320. The cubic root of 30740534 is about 313.2591769078.

The spelling of 30740534 in words is "thirty million, seven hundred forty thousand, five hundred thirty-four".

Divisors: 1 2 11 22 59 118 121 242 649 1298 2153 4306 7139 14278 23683 47366 127027 254054 260513 521026 1397297 2794594 15370267 30740534