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120702140 = 225133712547
BaseRepresentation
bin1110011000111…
…00010010111100
322102010022012122
413030130102330
5221344432030
615551022112
72663644166
oct714342274
9272108178
10120702140
1162151339
123450a938
131c0116b0
141205d936
15a8e38e5
hex731c4bc

120702140 has 48 divisors (see below), whose sum is σ = 280372512. Its totient is φ = 43358976.

The previous prime is 120702139. The next prime is 120702143. The reversal of 120702140 is 41207021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120702143) 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, 3347 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (5841094).

Almost surely, 2120702140 is an apocalyptic number.

120702140 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 120702140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140186256).

120702140 is an abundant number, since it is smaller than the sum of its proper divisors (159670372).

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

120702140 is a wasteful number, since it uses less digits than its factorization.

120702140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606 (or 12604 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 120702140 is about 10986.4525666841. The cubic root of 120702140 is about 494.2025591646.

Adding to 120702140 its reverse (41207021), we get a palindrome (161909161).

The spelling of 120702140 in words is "one hundred twenty million, seven hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 185 260 370 481 740 962 1924 2405 4810 9620 12547 25094 50188 62735 125470 163111 250940 326222 464239 652444 815555 928478 1631110 1856956 2321195 3262220 4642390 6035107 9284780 12070214 24140428 30175535 60351070 120702140