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310029120 = 26375443
BaseRepresentation
bin10010011110101…
…010101101000000
3210121101010000000
4102132222231000
51113331412440
650433000000
710453126662
oct2236525500
9717333000
10310029120
1114a004515
12879b3000
134c2cc9ab
142d264532
151c340730
hex127aab40

310029120 has 224 divisors, whose sum is σ = 1109715840. Its totient is φ = 82487808.

The previous prime is 310029113. The next prime is 310029133. The reversal of 310029120 is 21920013.

It is a happy number.

It is a super-2 number, since 2×3100291202 = 192236110495948800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 310029093 and 310029102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699619 + ... + 700061.

Almost surely, 2310029120 is an apocalyptic number.

310029120 is a gapful number since it is divisible by the number (30) 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 310029120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554857920).

310029120 is an abundant number, since it is smaller than the sum of its proper divisors (799686720).

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

310029120 is an frugal number, since it uses more digits than its factorization.

310029120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 310029120 is about 17607.6437946705. The cubic root of 310029120 is about 676.8111360775.

Adding to 310029120 its reverse (21920013), we get a palindrome (331949133).

The spelling of 310029120 in words is "three hundred ten million, twenty-nine thousand, one hundred twenty".