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49358420 = 2252467921
BaseRepresentation
bin1011110001001…
…0011001010100
310102212200000122
42330102121110
5100113432140
64521531112
71136353046
oct274223124
9112780018
1049358420
1125952791
1214643a98
13a2c2387
1467aba96
1544eeab5
hex2f12654

49358420 has 12 divisors (see below), whose sum is σ = 103652724. Its totient is φ = 19743360.

The previous prime is 49358401. The next prime is 49358443. The reversal of 49358420 is 2485394.

It can be written as a sum of positive squares in 2 ways, for example, as 6482116 + 42876304 = 2546^2 + 6548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233941 + ... + 1233980.

It is an arithmetic number, because the mean of its divisors is an integer number (8637727).

Almost surely, 249358420 is an apocalyptic number.

It is an amenable number.

49358420 is an abundant number, since it is smaller than the sum of its proper divisors (54294304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49358420 is a wasteful number, since it uses less digits than its factorization.

49358420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467930 (or 2467928 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 49358420 is about 7025.5547823642. The cubic root of 49358420 is about 366.8206277220.

The spelling of 49358420 in words is "forty-nine million, three hundred fifty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2467921 4935842 9871684 12339605 24679210 49358420