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47828045 = 510194709
BaseRepresentation
bin1011011001110…
…0110001001101
310022222220202002
42312130301031
544220444140
64425042045
71120350236
oct266346115
9108886662
1047828045
1124aa7a11
1214026325
139ba7925
1464d008d
1542eb415
hex2d9cc4d

47828045 has 8 divisors (see below), whose sum is σ = 57962520. Its totient is φ = 37883200.

The previous prime is 47828029. The next prime is 47828059. The reversal of 47828045 is 54082874.

It can be written as a sum of positive squares in 4 ways, for example, as 18267076 + 29560969 = 4274^2 + 5437^2 .

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

It is not a de Polignac number, because 47828045 - 24 = 47828029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46850 + ... + 47859.

It is an arithmetic number, because the mean of its divisors is an integer number (7245315).

Almost surely, 247828045 is an apocalyptic number.

It is an amenable number.

47828045 is a deficient number, since it is larger than the sum of its proper divisors (10134475).

47828045 is a wasteful number, since it uses less digits than its factorization.

47828045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94815.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 47828045 is about 6915.7823129419. The cubic root of 47828045 is about 362.9896229582.

The spelling of 47828045 in words is "forty-seven million, eight hundred twenty-eight thousand, forty-five".

Divisors: 1 5 101 505 94709 473545 9565609 47828045