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1030032120 = 233513660277
BaseRepresentation
bin111101011001010…
…000101011111000
32122210012001102210
4331121100223320
54102142011440
6250113055120
734345062045
oct7531205370
92583161383
101030032120
11489476417
12248b574a0
13135523980
149ab281cc
1560664a80
hex3d650af8

1030032120 has 64 divisors (see below), whose sum is σ = 3327801120. Its totient is φ = 253545984.

The previous prime is 1030032097. The next prime is 1030032131. The reversal of 1030032120 is 212300301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1030032096 and 1030032105.

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, 328579 + ... + 331698.

Almost surely, 21030032120 is an apocalyptic number.

1030032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030032120 is an abundant number, since it is smaller than the sum of its proper divisors (2297769000).

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

1030032120 is a wasteful number, since it uses less digits than its factorization.

1030032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660304 (or 660300 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1030032120 is about 32094.1134789544. The cubic root of 1030032120 is about 1009.9121316886.

Adding to 1030032120 its reverse (212300301), we get a palindrome (1242332421).

The spelling of 1030032120 in words is "one billion, thirty million, thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 660277 1320554 1980831 2641108 3301385 3961662 5282216 6602770 7923324 8583601 9904155 13205540 15846648 17167202 19808310 25750803 26411080 34334404 39616620 42918005 51501606 68668808 79233240 85836010 103003212 128754015 171672020 206006424 257508030 343344040 515016060 1030032120