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49902216 = 23371373313
BaseRepresentation
bin1011111001011…
…1001010001000
310110220021222020
42332113022020
5100233332331
64541324440
71144106340
oct276271210
9113807866
1049902216
1126194301
1214866720
13a452a50
1545aac96
hex2f97288

49902216 has 128 divisors (see below), whose sum is σ = 156145920. Its totient is φ = 12939264.

The previous prime is 49902199. The next prime is 49902217. The reversal of 49902216 is 61220994.

49902216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49902217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159276 + ... + 159588.

It is an arithmetic number, because the mean of its divisors is an integer number (1219890).

Almost surely, 249902216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49902216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78072960).

49902216 is an abundant number, since it is smaller than the sum of its proper divisors (106243704).

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

49902216 is a wasteful number, since it uses less digits than its factorization.

49902216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 49902216 is about 7064.1500550314. The cubic root of 49902216 is about 368.1628335779.

The spelling of 49902216 in words is "forty-nine million, nine hundred two thousand, two hundred sixteen".