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20072352 = 253375651
BaseRepresentation
bin100110010010…
…0011110100000
31101202210002110
41030210132200
520114303402
61554115320
7332416656
oct114443640
941683073
1020072352
111036a723
12687bb40
13420a341
142946dd6
151b6756c
hex13247a0

20072352 has 48 divisors (see below), whose sum is σ = 54123552. Its totient is φ = 6508800.

The previous prime is 20072333. The next prime is 20072369. The reversal of 20072352 is 25327002.

It is a tau number, because it is divible by the number of its divisors (48).

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, 727 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (1127574).

Almost surely, 220072352 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 20072352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27061776).

20072352 is an abundant number, since it is smaller than the sum of its proper divisors (34051200).

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

20072352 is a wasteful number, since it uses less digits than its factorization.

20072352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20072352 is about 4480.2178518460. The cubic root of 20072352 is about 271.7686903158.

Adding to 20072352 its reverse (25327002), we get a palindrome (45399354).

The spelling of 20072352 in words is "twenty million, seventy-two thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 74 96 111 148 222 296 444 592 888 1184 1776 3552 5651 11302 16953 22604 33906 45208 67812 90416 135624 180832 209087 271248 418174 542496 627261 836348 1254522 1672696 2509044 3345392 5018088 6690784 10036176 20072352