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164364330 = 235132171907
BaseRepresentation
bin10011100110000…
…00000000101010
3102110021120110210
421303000000222
5314034124310
624150521550
74034034204
oct1163000052
9373246423
10164364330
1184863399
12470662b6
132808b100
1417b87774
15e66a820
hex9cc002a

164364330 has 96 divisors (see below), whose sum is σ = 452516544. Its totient is φ = 38059008.

The previous prime is 164364293. The next prime is 164364337. The reversal of 164364330 is 33463461.

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

It is not an unprimeable number, because it can be changed into a prime (164364337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85237 + ... + 87143.

It is an arithmetic number, because the mean of its divisors is an integer number (4713714).

Almost surely, 2164364330 is an apocalyptic number.

164364330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164364330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226258272).

164364330 is an abundant number, since it is smaller than the sum of its proper divisors (288152214).

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

164364330 is a wasteful number, since it uses less digits than its factorization.

164364330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 164364330 is about 12820.4652801683. The cubic root of 164364330 is about 547.7753999052.

The spelling of 164364330 in words is "one hundred sixty-four million, three hundred sixty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 169 170 195 221 255 338 390 442 507 510 663 845 1014 1105 1326 1690 1907 2210 2535 2873 3315 3814 5070 5721 5746 6630 8619 9535 11442 14365 17238 19070 24791 28605 28730 32419 43095 49582 57210 64838 74373 86190 97257 123955 148746 162095 194514 247910 322283 324190 371865 421447 486285 644566 743730 842894 966849 972570 1264341 1611415 1933698 2107235 2528682 3222830 4214470 4834245 5478811 6321705 9668490 10957622 12643410 16436433 27394055 32872866 54788110 82182165 164364330