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20061368 = 232507671
BaseRepresentation
bin100110010000…
…1110010111000
31101202020000122
41030201302320
520113430433
61553552412
7332342645
oct114416270
941666018
1020061368
1110362448
126875708
134205342
142942dcc
151b64198
hex1321cb8

20061368 has 8 divisors (see below), whose sum is σ = 37615080. Its totient is φ = 10030680.

The previous prime is 20061367. The next prime is 20061403. The reversal of 20061368 is 86316002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061367) 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 as a sum of consecutive naturals, namely, 1253828 + ... + 1253843.

It is an arithmetic number, because the mean of its divisors is an integer number (4701885).

Almost surely, 220061368 is an apocalyptic number.

It is an amenable number.

20061368 is a deficient number, since it is larger than the sum of its proper divisors (17553712).

20061368 is a wasteful number, since it uses less digits than its factorization.

20061368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507677 (or 2507673 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20061368 is about 4478.9918508522. The cubic root of 20061368 is about 271.7191088158.

The spelling of 20061368 in words is "twenty million, sixty-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 2507671 5015342 10030684 20061368