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52353130 = 256778139
BaseRepresentation
bin1100011110110…
…1100001101010
310122111210222211
43013231201222
5101400300010
65110035334
71203665014
oct307554152
9118453884
1052353130
1127608755
1215648b4a
13ab004ab
146d4b1b4
1548e208a
hex31ed86a

52353130 has 16 divisors (see below), whose sum is σ = 95643360. Its totient is φ = 20628432.

The previous prime is 52353127. The next prime is 52353157. The reversal of 52353130 is 3135325.

It is a happy number.

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, 38400 + ... + 39739.

It is an arithmetic number, because the mean of its divisors is an integer number (5977710).

Almost surely, 252353130 is an apocalyptic number.

52353130 is a deficient number, since it is larger than the sum of its proper divisors (43290230).

52353130 is a wasteful number, since it uses less digits than its factorization.

52353130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78213.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 52353130 is about 7235.5462820716. The cubic root of 52353130 is about 374.0941216018.

Adding to 52353130 its reverse (3135325), we get a palindrome (55488455).

The spelling of 52353130 in words is "fifty-two million, three hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 78139 156278 390695 781390 5235313 10470626 26176565 52353130