[go: up one dir, main page]

Search a number
-
+
52345749 = 343405781
BaseRepresentation
bin1100011110101…
…1101110010101
310122111102212110
43013223232111
5101400030444
65105541233
71203634341
oct307535625
9118442773
1052345749
1127603155
1215644819
13aaca021
146d48621
1548decb9
hex31ebb95

52345749 has 8 divisors (see below), whose sum is σ = 71417632. Its totient is φ = 34085520.

The previous prime is 52345739. The next prime is 52345751. The reversal of 52345749 is 94754325.

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

It is not a de Polignac number, because 52345749 - 213 = 52337557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52345739) 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, 202762 + ... + 203019.

It is an arithmetic number, because the mean of its divisors is an integer number (8927204).

Almost surely, 252345749 is an apocalyptic number.

It is an amenable number.

52345749 is a deficient number, since it is larger than the sum of its proper divisors (19071883).

52345749 is a wasteful number, since it uses less digits than its factorization.

52345749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405827.

The product of its digits is 151200, while the sum is 39.

The square root of 52345749 is about 7235.0362127636. The cubic root of 52345749 is about 374.0765402366.

The spelling of 52345749 in words is "fifty-two million, three hundred forty-five thousand, seven hundred forty-nine".

Divisors: 1 3 43 129 405781 1217343 17448583 52345749