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120423104 = 2617151733
BaseRepresentation
bin1110010110110…
…00001011000000
322101121010102222
413023120023000
5221312014404
615541030212
72661402524
oct713301300
9271533388
10120423104
1161a8072a
12343b5368
131bc44699
1411dc9d84
15a88adbe
hex72d82c0

120423104 has 56 divisors (see below), whose sum is σ = 255044448. Its totient is φ = 56217600.

The previous prime is 120423077. The next prime is 120423113. The reversal of 120423104 is 401324021.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 7 ways as a sum of consecutive naturals, for example, 163922 + ... + 164654.

Almost surely, 2120423104 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 120423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127522224).

120423104 is an abundant number, since it is smaller than the sum of its proper divisors (134621344).

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

120423104 is a wasteful number, since it uses less digits than its factorization.

120423104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 120423104 is about 10973.7461242732. The cubic root of 120423104 is about 493.8214372096.

Adding to 120423104 its reverse (401324021), we get a palindrome (521747125).

The spelling of 120423104 in words is "one hundred twenty million, four hundred twenty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 151 272 302 544 604 733 1088 1208 1466 2416 2567 2932 4832 5134 5864 9664 10268 11728 12461 20536 23456 24922 41072 46912 49844 82144 99688 110683 164288 199376 221366 398752 442732 797504 885464 1770928 1881611 3541856 3763222 7083712 7526444 15052888 30105776 60211552 120423104