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2434636421 = 71918305537
BaseRepresentation
bin1001000100011101…
…1001101010000101
320021200012100022022
42101013121222011
514441231331141
61041330412525
7114222032240
oct22107315205
96250170268
102434636421
11103a31a418
1257b431145
132ca525089
141914b8257
15e3b18b4b
hex911d9a85

2434636421 has 8 divisors (see below), whose sum is σ = 2928886080. Its totient is φ = 1976997888.

The previous prime is 2434636381. The next prime is 2434636423. The reversal of 2434636421 is 1246364342.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2434636421 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 (2434636423) 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, 9152636 + ... + 9152901.

It is an arithmetic number, because the mean of its divisors is an integer number (366110760).

Almost surely, 22434636421 is an apocalyptic number.

It is an amenable number.

2434636421 is a deficient number, since it is larger than the sum of its proper divisors (494249659).

2434636421 is a wasteful number, since it uses less digits than its factorization.

2434636421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305563.

The product of its digits is 82944, while the sum is 35.

The square root of 2434636421 is about 49342.0350309956. The cubic root of 2434636421 is about 1345.2759292559.

The spelling of 2434636421 in words is "two billion, four hundred thirty-four million, six hundred thirty-six thousand, four hundred twenty-one".

Divisors: 1 7 19 133 18305537 128138759 347805203 2434636421