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429309384 = 23372794621
BaseRepresentation
bin11001100101101…
…011110111001000
31002220211011202120
4121211223313020
51334400400014
6110333331240
713432032600
oct3145536710
91086734676
10429309384
11200374549
12bb936b20
136ac3412a
1441033c00
1527a52ba9
hex1996bdc8

429309384 has 96 divisors (see below), whose sum is σ = 1264579200. Its totient is φ = 121080960.

The previous prime is 429309383. The next prime is 429309407. The reversal of 429309384 is 483903924.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429309383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90594 + ... + 95214.

It is an arithmetic number, because the mean of its divisors is an integer number (13172700).

Almost surely, 2429309384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429309384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632289600).

429309384 is an abundant number, since it is smaller than the sum of its proper divisors (835269816).

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

429309384 is a wasteful number, since it uses less digits than its factorization.

429309384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 429309384 is about 20719.7824312902. The cubic root of 429309384 is about 754.3799326833.

The spelling of 429309384 in words is "four hundred twenty-nine million, three hundred nine thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 79 84 98 147 158 168 196 237 294 316 392 474 553 588 632 948 1106 1176 1659 1896 2212 3318 3871 4424 4621 6636 7742 9242 11613 13272 13863 15484 18484 23226 27726 30968 32347 36968 46452 55452 64694 92904 97041 110904 129388 194082 226429 258776 365059 388164 452858 679287 730118 776328 905716 1095177 1358574 1460236 1811432 2190354 2555413 2717148 2920472 4380708 5110826 5434296 7666239 8761416 10221652 15332478 17887891 20443304 30664956 35775782 53663673 61329912 71551564 107327346 143103128 214654692 429309384