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42633129 = 3711184559
BaseRepresentation
bin1010001010100…
…0011110101001
32222012222122210
42202220132221
541403230004
64121435333
71025242560
oct242503651
988188583
1042633129
11220799a0
121233bb49
138aa9206
14593abd7
153b22089
hex28a87a9

42633129 has 16 divisors (see below), whose sum is σ = 70871040. Its totient is φ = 22146960.

The previous prime is 42633119. The next prime is 42633133. The reversal of 42633129 is 92133624.

It is not a de Polignac number, because 42633129 - 24 = 42633113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42633096 and 42633105.

It is not an unprimeable number, because it can be changed into a prime (42633109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92049 + ... + 92510.

It is an arithmetic number, because the mean of its divisors is an integer number (4429440).

Almost surely, 242633129 is an apocalyptic number.

It is an amenable number.

42633129 is a deficient number, since it is larger than the sum of its proper divisors (28237911).

42633129 is a wasteful number, since it uses less digits than its factorization.

42633129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184580.

The product of its digits is 7776, while the sum is 30.

The square root of 42633129 is about 6529.4049499170. The cubic root of 42633129 is about 349.3406061126.

The spelling of 42633129 in words is "forty-two million, six hundred thirty-three thousand, one hundred twenty-nine".

Divisors: 1 3 7 11 21 33 77 231 184559 553677 1291913 2030149 3875739 6090447 14211043 42633129