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127992480 = 25357113463
BaseRepresentation
bin1111010000100…
…00001010100000
322220211200200020
413220100022200
5230231224410
620411153440
73112626630
oct750201240
9286750606
10127992480
1166280710
1236a45880
1320694ac5
1412dda6c0
15b383a70
hex7a102a0

127992480 has 192 divisors, whose sum is σ = 502806528. Its totient is φ = 26588160.

The previous prime is 127992479. The next prime is 127992497. The reversal of 127992480 is 84299721.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35229 + ... + 38691.

It is an arithmetic number, because the mean of its divisors is an integer number (2618784).

Almost surely, 2127992480 is an apocalyptic number.

127992480 is a gapful number since it is divisible by the number (10) 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 127992480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251403264).

127992480 is an abundant number, since it is smaller than the sum of its proper divisors (374814048).

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

127992480 is a wasteful number, since it uses less digits than its factorization.

127992480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 127992480 is about 11313.3761539162. The cubic root of 127992480 is about 503.9585503831.

The spelling of 127992480 in words is "one hundred twenty-seven million, nine hundred ninety-two thousand, four hundred eighty".