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52252403 = 729257401
BaseRepresentation
bin1100011101010…
…0111011110011
310122022200211012
43013110323303
5101334034103
65103541135
71203065240
oct307247363
9118280735
1052252403
112754a005
12155ba7ab
13aa966a8
146d225c7
1548c22d8
hex31d4ef3

52252403 has 8 divisors (see below), whose sum is σ = 61776480. Its totient is φ = 43243200.

The previous prime is 52252313. The next prime is 52252411. The reversal of 52252403 is 30425225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52252403 - 210 = 52251379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52252433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128498 + ... + 128903.

It is an arithmetic number, because the mean of its divisors is an integer number (7722060).

Almost surely, 252252403 is an apocalyptic number.

52252403 is a deficient number, since it is larger than the sum of its proper divisors (9524077).

52252403 is a wasteful number, since it uses less digits than its factorization.

52252403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257437.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52252403 is about 7228.5823644751. The cubic root of 52252403 is about 373.8540495458.

Adding to 52252403 its reverse (30425225), we get a palindrome (82677628).

It can be divided in two parts, 522 and 52403, that added together give a palindrome (52925).

The spelling of 52252403 in words is "fifty-two million, two hundred fifty-two thousand, four hundred three".

Divisors: 1 7 29 203 257401 1801807 7464629 52252403