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49427280 = 2433572467
BaseRepresentation
bin1011110010001…
…1001101010000
310110000011111000
42330203031100
5100123133110
64523222000
71140060600
oct274431520
9113004430
1049427280
112599a4a1
1214677900
13a317816
1467c8c00
1545151c0
hex2f23350

49427280 has 240 divisors, whose sum is σ = 198469440. Its totient is φ = 11273472.

The previous prime is 49427251. The next prime is 49427291. The reversal of 49427280 is 8272494.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105607 + ... + 106073.

It is an arithmetic number, because the mean of its divisors is an integer number (826956).

Almost surely, 249427280 is an apocalyptic number.

49427280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49427280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99234720).

49427280 is an abundant number, since it is smaller than the sum of its proper divisors (149042160).

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

49427280 is a wasteful number, since it uses less digits than its factorization.

49427280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 49427280 is about 7030.4537549151. The cubic root of 49427280 is about 366.9911324444.

The spelling of 49427280 in words is "forty-nine million, four hundred twenty-seven thousand, two hundred eighty".