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20114432 = 210131511
BaseRepresentation
bin100110010111…
…0110000000000
31101211220210222
41030232300000
520122130212
61555042212
7332653442
oct114566000
941756728
1020114432
11103992a8
1268a0368
134223540
142958492
151b74c72
hex132ec00

20114432 has 44 divisors (see below), whose sum is σ = 43330896. Its totient is φ = 9277440.

The previous prime is 20114399. The next prime is 20114447. The reversal of 20114432 is 23441102.

It is a self number, because there is not a number n which added to its sum of digits gives 20114432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12557 + ... + 14067.

Almost surely, 220114432 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 20114432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21665448).

20114432 is an abundant number, since it is smaller than the sum of its proper divisors (23216464).

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

20114432 is a wasteful number, since it uses less digits than its factorization.

20114432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20114432 is about 4484.9115933316. The cubic root of 20114432 is about 271.9584711684.

Adding to 20114432 its reverse (23441102), we get a palindrome (43555534).

The spelling of 20114432 in words is "twenty million, one hundred fourteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1024 1511 1664 3022 3328 6044 6656 12088 13312 19643 24176 39286 48352 78572 96704 157144 193408 314288 386816 628576 773632 1257152 1547264 2514304 5028608 10057216 20114432