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49228421 = 1143199523
BaseRepresentation
bin1011101111001…
…0101010000101
310102122001200212
42323302222011
5100100302141
64515045205
71135302044
oct273625205
9112561625
1049228421
1125874050
12145a0805
13a278158
14677655b
1544c62eb
hex2ef2a85

49228421 has 16 divisors (see below), whose sum is σ = 55334400. Its totient is φ = 43409520.

The previous prime is 49228409. The next prime is 49228423. The reversal of 49228421 is 12482294.

It is a happy number.

It is not a de Polignac number, because 49228421 - 26 = 49228357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49228423) 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, 93866 + ... + 94388.

It is an arithmetic number, because the mean of its divisors is an integer number (3458400).

Almost surely, 249228421 is an apocalyptic number.

It is an amenable number.

49228421 is a deficient number, since it is larger than the sum of its proper divisors (6105979).

49228421 is a wasteful number, since it uses less digits than its factorization.

49228421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its digits is 9216, while the sum is 32.

The square root of 49228421 is about 7016.2968152723. The cubic root of 49228421 is about 366.4983035122.

The spelling of 49228421 in words is "forty-nine million, two hundred twenty-eight thousand, four hundred twenty-one".

Divisors: 1 11 43 199 473 523 2189 5753 8557 22489 94127 104077 247379 1144847 4475311 49228421