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331469130 = 235291392741
BaseRepresentation
bin10011110000011…
…101000101001010
3212002201101011110
4103300131011022
51134324003010
652520311150
711133304206
oct2360350512
9762641143
10331469130
11160118733
12930124b6
13538986a5
1432045b06
151e178120
hex13c1d14a

331469130 has 64 divisors (see below), whose sum is σ = 829180800. Its totient is φ = 84698880.

The previous prime is 331469113. The next prime is 331469137. The reversal of 331469130 is 31964133.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331469137) by changing a digit.

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, 119560 + ... + 122300.

It is an arithmetic number, because the mean of its divisors is an integer number (12955950).

Almost surely, 2331469130 is an apocalyptic number.

331469130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331469130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414590400).

331469130 is an abundant number, since it is smaller than the sum of its proper divisors (497711670).

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

331469130 is a wasteful number, since it uses less digits than its factorization.

331469130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 331469130 is about 18206.2936920176. The cubic root of 331469130 is about 692.0662908305.

The spelling of 331469130 in words is "three hundred thirty-one million, four hundred sixty-nine thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 139 145 174 278 290 417 435 695 834 870 1390 2085 2741 4031 4170 5482 8062 8223 12093 13705 16446 20155 24186 27410 40310 41115 60465 79489 82230 120930 158978 238467 380999 397445 476934 761998 794890 1142997 1192335 1904995 2285994 2384670 3809990 5714985 11048971 11429970 22097942 33146913 55244855 66293826 110489710 165734565 331469130