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52200451 = 371410823
BaseRepresentation
bin1100011100100…
…0010000000011
310122020001120001
43013020100003
5101330403301
65102500431
71202460622
oct307102003
9118201501
1052200451
1127513a76
1215594717
13aa78b54
146d0b6b9
1548b1c01
hex31c8403

52200451 has 4 divisors (see below), whose sum is σ = 53611312. Its totient is φ = 50789592.

The previous prime is 52200433. The next prime is 52200457. The reversal of 52200451 is 15400225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52200451 - 211 = 52198403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52200457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705375 + ... + 705448.

It is an arithmetic number, because the mean of its divisors is an integer number (13402828).

Almost surely, 252200451 is an apocalyptic number.

52200451 is a deficient number, since it is larger than the sum of its proper divisors (1410861).

52200451 is a wasteful number, since it uses less digits than its factorization.

52200451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410860.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52200451 is about 7224.9879584675. The cubic root of 52200451 is about 373.7301068818.

Adding to 52200451 its reverse (15400225), we get a palindrome (67600676).

The spelling of 52200451 in words is "fifty-two million, two hundred thousand, four hundred fifty-one".

Divisors: 1 37 1410823 52200451