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127997376 = 26313192699
BaseRepresentation
bin1111010000100…
…01010111000000
322220211221101120
413220101113000
5230231404001
620411232240
73112650123
oct750212700
9286757346
10127997376
1166284361
1236a48680
13206970c0
1412ddc3ba
15b385236
hex7a115c0

127997376 has 112 divisors (see below), whose sum is σ = 384048000. Its totient is φ = 37297152.

The previous prime is 127997347. The next prime is 127997399. The reversal of 127997376 is 673799721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46075 + ... + 48773.

It is an arithmetic number, because the mean of its divisors is an integer number (3429000).

Almost surely, 2127997376 is an apocalyptic number.

127997376 is a gapful number since it is divisible by the number (16) 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 127997376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192024000).

127997376 is an abundant number, since it is smaller than the sum of its proper divisors (256050624).

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

127997376 is a wasteful number, since it uses less digits than its factorization.

127997376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746 (or 2736 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 51.

The square root of 127997376 is about 11313.5925328783. The cubic root of 127997376 is about 503.9649761502.

The spelling of 127997376 in words is "one hundred twenty-seven million, nine hundred ninety-seven thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 152 156 192 208 228 247 304 312 416 456 494 608 624 741 832 912 988 1216 1248 1482 1824 1976 2496 2699 2964 3648 3952 5398 5928 7904 8097 10796 11856 15808 16194 21592 23712 32388 35087 43184 47424 51281 64776 70174 86368 102562 105261 129552 140348 153843 172736 205124 210522 259104 280696 307686 410248 421044 518208 561392 615372 666653 820496 842088 1122784 1230744 1333306 1640992 1684176 1999959 2245568 2461488 2666612 3281984 3368352 3999918 4922976 5333224 6736704 7999836 9845952 10666448 15999672 21332896 31999344 42665792 63998688 127997376