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54849480 = 233571723167
BaseRepresentation
bin1101000100111…
…0111111001000
310211012122100020
43101032333020
5103020140410
65235340440
71234133010
oct321167710
9124178306
1054849480
1128a63254
1216451720
13b49581a
1473dac40
154c36a70
hex344efc8

54849480 has 256 divisors, whose sum is σ = 209018880. Its totient is φ = 11218944.

The previous prime is 54849479. The next prime is 54849481. The reversal of 54849480 is 8494845.

It is an interprime number because it is at equal distance from previous prime (54849479) and next prime (54849481).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (54849481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328357 + ... + 328523.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 254849480 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 54849480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104509440).

54849480 is an abundant number, since it is smaller than the sum of its proper divisors (154169400).

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

54849480 is a wasteful number, since it uses less digits than its factorization.

54849480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 54849480 is about 7406.0434781332. The cubic root of 54849480 is about 379.9480076604.

The spelling of 54849480 in words is "fifty-four million, eight hundred forty-nine thousand, four hundred eighty".