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50378998 = 225189499
BaseRepresentation
bin1100000000101…
…1100011110110
310111210111222211
43000023203312
5100344111443
64555444034
71151133355
oct300134366
9114714884
1050378998
112648a53a
1214a5661a
13a58ba77
14699599c
15465219d
hex300b8f6

50378998 has 4 divisors (see below), whose sum is σ = 75568500. Its totient is φ = 25189498.

The previous prime is 50378989. The next prime is 50379031. The reversal of 50378998 is 89987305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89987305 = 517997461.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12594748 + ... + 12594751.

It is an arithmetic number, because the mean of its divisors is an integer number (18892125).

Almost surely, 250378998 is an apocalyptic number.

50378998 is a deficient number, since it is larger than the sum of its proper divisors (25189502).

50378998 is a wasteful number, since it uses less digits than its factorization.

50378998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189501.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 50378998 is about 7097.8164247887. The cubic root of 50378998 is about 369.3316348876.

The spelling of 50378998 in words is "fifty million, three hundred seventy-eight thousand, nine hundred ninety-eight".

Divisors: 1 2 25189499 50378998