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429408 = 2533771
BaseRepresentation
bin1101000110101100000
3210211001000
41220311200
5102220113
613112000
73435630
oct1506540
9724030
10429408
11273691
12188600
131205b5
14b26c0
1587373
hex68d60

429408 has 96 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 120960.

The previous prime is 429397. The next prime is 429409. The reversal of 429408 is 804924.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6013 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2429408 is an apocalyptic number.

429408 is a gapful number since it is divisible by the number (48) 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 429408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

429408 is an abundant number, since it is smaller than the sum of its proper divisors (1022112).

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

429408 is a wasteful number, since it uses less digits than its factorization.

429408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 429408 is about 655.2923011909. The cubic root of 429408 is about 75.4437690747.

The spelling of 429408 in words is "four hundred twenty-nine thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 71 72 84 96 108 112 126 142 144 168 189 213 216 224 252 284 288 336 378 426 432 497 504 568 639 672 756 852 864 994 1008 1136 1278 1491 1512 1704 1917 1988 2016 2272 2556 2982 3024 3408 3834 3976 4473 5112 5964 6048 6816 7668 7952 8946 10224 11928 13419 15336 15904 17892 20448 23856 26838 30672 35784 47712 53676 61344 71568 107352 143136 214704 429408