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20270376 = 23327371087
BaseRepresentation
bin100110101010…
…0110100101000
31102010211201200
41031110310220
520142123001
62002244200
7334203210
oct115246450
942124650
1020270376
1110495485
126956660
134279509
142999240
151ba6086
hex1354d28

20270376 has 96 divisors (see below), whose sum is σ = 64496640. Its totient is φ = 5629824.

The previous prime is 20270357. The next prime is 20270389. The reversal of 20270376 is 67307202.

20270376 is a `hidden beast` number, since 20 + 270 + 376 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18105 + ... + 19191.

It is an arithmetic number, because the mean of its divisors is an integer number (671840).

Almost surely, 220270376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20270376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32248320).

20270376 is an abundant number, since it is smaller than the sum of its proper divisors (44226264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20270376 is a wasteful number, since it uses less digits than its factorization.

20270376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20270376 is about 4502.2634307646. The cubic root of 20270376 is about 272.6594796346.

Adding to 20270376 its reverse (67307202), we get a palindrome (87577578).

The spelling of 20270376 in words is "twenty million, two hundred seventy thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 37 42 56 63 72 74 84 111 126 148 168 222 252 259 296 333 444 504 518 666 777 888 1036 1087 1332 1554 2072 2174 2331 2664 3108 3261 4348 4662 6216 6522 7609 8696 9324 9783 13044 15218 18648 19566 22827 26088 30436 39132 40219 45654 60872 68481 78264 80438 91308 120657 136962 160876 182616 241314 273924 281533 321752 361971 482628 547848 563066 723942 844599 965256 1126132 1447884 1689198 2252264 2533797 2895768 3378396 5067594 6756792 10135188 20270376