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42851253 = 3107133493
BaseRepresentation
bin1010001101110…
…1101110110101
32222122001212110
42203131232311
541432220003
64130241233
71030141524
oct243355665
988561773
1042851253
1122208865
1212426219
138b54593
1459964bb
153b66a03
hex28ddbb5

42851253 has 8 divisors (see below), whose sum is σ = 57669408. Its totient is φ = 28300304.

The previous prime is 42851227. The next prime is 42851293. The reversal of 42851253 is 35215824.

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

It is a cyclic number.

It is not a de Polignac number, because 42851253 - 213 = 42843061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42851253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42851293) 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, 66426 + ... + 67067.

It is an arithmetic number, because the mean of its divisors is an integer number (7208676).

Almost surely, 242851253 is an apocalyptic number.

It is an amenable number.

42851253 is a deficient number, since it is larger than the sum of its proper divisors (14818155).

42851253 is a wasteful number, since it uses less digits than its factorization.

42851253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133603.

The product of its digits is 9600, while the sum is 30.

The square root of 42851253 is about 6546.0868463533. The cubic root of 42851253 is about 349.9353703794.

It can be divided in two parts, 4285125 and 3, that added together give a triangular number (4285128 = T2927).

The spelling of 42851253 in words is "forty-two million, eight hundred fifty-one thousand, two hundred fifty-three".

Divisors: 1 3 107 321 133493 400479 14283751 42851253