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120060380 = 225113671487
BaseRepresentation
bin1110010011111…
…11100111011100
322100220200212202
413021333213130
5221213413010
615525151032
72655332156
oct711774734
9270820782
10120060380
1161853160
123425b478
131bb4855b
1411d33ad6
15a8186a5
hex727f9dc

120060380 has 48 divisors (see below), whose sum is σ = 275982336. Its totient is φ = 43510080.

The previous prime is 120060337. The next prime is 120060389. The reversal of 120060380 is 83060021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120060389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79997 + ... + 81483.

It is an arithmetic number, because the mean of its divisors is an integer number (5749632).

Almost surely, 2120060380 is an apocalyptic number.

120060380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120060380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137991168).

120060380 is an abundant number, since it is smaller than the sum of its proper divisors (155921956).

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

120060380 is a wasteful number, since it uses less digits than its factorization.

120060380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 120060380 is about 10957.2067608492. The cubic root of 120060380 is about 493.3251287086.

The spelling of 120060380 in words is "one hundred twenty million, sixty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 367 734 1468 1487 1835 2974 3670 4037 5948 7340 7435 8074 14870 16148 16357 20185 29740 32714 40370 65428 80740 81785 163570 327140 545729 1091458 2182916 2728645 5457290 6003019 10914580 12006038 24012076 30015095 60030190 120060380