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29430432 = 2533231481
BaseRepresentation
bin111000001000…
…1001010100000
32001101012222000
41300101022200
530013233212
62530444000
7505104003
oct160211240
961335860
1029430432
1115681579
129a33600
136135975
143ca153a
1528b51dc
hex1c112a0

29430432 has 96 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 9377280.

The previous prime is 29430397. The next prime is 29430433. The reversal of 29430432 is 23403492.

It is a happy number.

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 junction number, because it is equal to n+sod(n) for n = 29430396 and 29430405.

It is not an unprimeable number, because it can be changed into a prime (29430433) 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, 19132 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 229430432 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 29430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44815680).

29430432 is an abundant number, since it is smaller than the sum of its proper divisors (60200928).

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

29430432 is a wasteful number, since it uses less digits than its factorization.

29430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 29430432 is about 5424.9822119524. The cubic root of 29430432 is about 308.7442506319.

The spelling of 29430432 in words is "twenty-nine million, four hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 69 72 92 96 108 138 144 184 207 216 276 288 368 414 432 552 621 736 828 864 1104 1242 1481 1656 2208 2484 2962 3312 4443 4968 5924 6624 8886 9936 11848 13329 17772 19872 23696 26658 34063 35544 39987 47392 53316 68126 71088 79974 102189 106632 136252 142176 159948 204378 213264 272504 306567 319896 408756 426528 545008 613134 639792 817512 919701 1090016 1226268 1279584 1635024 1839402 2452536 3270048 3678804 4905072 7357608 9810144 14715216 29430432