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127207420 = 22541532927
BaseRepresentation
bin1111001010100…
…00011111111100
322212100210202221
413211100133330
5230031114140
620342255124
73103150054
oct745203774
9285323687
10127207420
11658948aa
12367274a4
132047b682
1412c74564
15b27b14a
hex79507fc

127207420 has 48 divisors (see below), whose sum is σ = 278909568. Its totient is φ = 48688640.

The previous prime is 127207417. The next prime is 127207463. The reversal of 127207420 is 24702721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41997 + ... + 44923.

It is an arithmetic number, because the mean of its divisors is an integer number (5810616).

Almost surely, 2127207420 is an apocalyptic number.

127207420 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 127207420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139454784).

127207420 is an abundant number, since it is smaller than the sum of its proper divisors (151702148).

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

127207420 is a wasteful number, since it uses less digits than its factorization.

127207420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 127207420 is about 11278.6266894512. The cubic root of 127207420 is about 502.9260694977.

The spelling of 127207420 in words is "one hundred twenty-seven million, two hundred seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 53 82 106 164 205 212 265 410 530 820 1060 2173 2927 4346 5854 8692 10865 11708 14635 21730 29270 43460 58540 120007 155131 240014 310262 480028 600035 620524 775655 1200070 1551310 2400140 3102620 6360371 12720742 25441484 31801855 63603710 127207420