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120139476 = 223171633613
BaseRepresentation
bin1110010100100…
…10111011010100
322101001201101020
413022102323110
5221223430401
615531001140
72656111602
oct712227324
9271051336
10120139476
11618a7626
12342991b0
131bb75562
1411d54872
15a831d36
hex7292ed4

120139476 has 48 divisors (see below), whose sum is σ = 298718784. Its totient is φ = 37449216.

The previous prime is 120139469. The next prime is 120139519. The reversal of 120139476 is 674931021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31446 + ... + 35058.

It is an arithmetic number, because the mean of its divisors is an integer number (6223308).

Almost surely, 2120139476 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 120139476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149359392).

120139476 is an abundant number, since it is smaller than the sum of its proper divisors (178579308).

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

120139476 is a wasteful number, since it uses less digits than its factorization.

120139476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 120139476 is about 10960.8154806109. The cubic root of 120139476 is about 493.4334394288.

The spelling of 120139476 in words is "one hundred twenty million, one hundred thirty-nine thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 163 204 326 489 652 978 1956 2771 3613 5542 7226 8313 10839 11084 14452 16626 21678 33252 43356 61421 122842 184263 245684 368526 588919 737052 1177838 1766757 2355676 3533514 7067028 10011623 20023246 30034869 40046492 60069738 120139476