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201430432 = 2572573499
BaseRepresentation
bin11000000000110…
…01010110100000
3112001000201121101
430000121112200
5403031233212
631553204144
74664062510
oct1400312640
9461021541
10201430432
11a377a735
1257560654
1332968408
141ca75840
1512a3d157
hexc0195a0

201430432 has 48 divisors (see below), whose sum is σ = 455112000. Its totient is φ = 85966848.

The previous prime is 201430429. The next prime is 201430441. The reversal of 201430432 is 234034102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55819 + ... + 59317.

It is an arithmetic number, because the mean of its divisors is an integer number (9481500).

Almost surely, 2201430432 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 201430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227556000).

201430432 is an abundant number, since it is smaller than the sum of its proper divisors (253681568).

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

201430432 is a wasteful number, since it uses less digits than its factorization.

201430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 201430432 is about 14192.6189267520. The cubic root of 201430432 is about 586.1944397802.

Adding to 201430432 its reverse (234034102), we get a palindrome (435464534).

The spelling of 201430432 in words is "two hundred one million, four hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 257 514 1028 1799 2056 3499 3598 4112 6998 7196 8224 13996 14392 24493 27992 28784 48986 55984 57568 97972 111968 195944 391888 783776 899243 1798486 3596972 6294701 7193944 12589402 14387888 25178804 28775776 50357608 100715216 201430432