Search a number
-
+
127149316 = 22723789197
BaseRepresentation
bin1111001010000…
…10010100000100
322212020212001221
413211002110010
5230022234231
620341130124
73102515500
oct745022404
9285225057
10127149316
1165855188
12366b9944
132045b0a8
1412c5b300
15b268d11
hex7942504

127149316 has 72 divisors (see below), whose sum is σ = 270186840. Its totient is φ = 52157952.

The previous prime is 127149301. The next prime is 127149331. The reversal of 127149316 is 613941721.

It is an interprime number because it is at equal distance from previous prime (127149301) and next prime (127149331).

It can be written as a sum of positive squares in 4 ways, for example, as 62346816 + 64802500 = 7896^2 + 8050^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645330 + ... + 645526.

It is an arithmetic number, because the mean of its divisors is an integer number (3752595).

Almost surely, 2127149316 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 127149316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135093420).

127149316 is an abundant number, since it is smaller than the sum of its proper divisors (143037524).

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

127149316 is a wasteful number, since it uses less digits than its factorization.

127149316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 332 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 127149316 is about 11276.0505497271. The cubic root of 127149316 is about 502.8494846919.

The spelling of 127149316 in words is "one hundred twenty-seven million, one hundred forty-nine thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 37 49 74 89 98 148 178 196 197 259 356 394 518 623 788 1036 1246 1379 1813 2492 2758 3293 3626 4361 5516 6586 7252 7289 8722 9653 13172 14578 17444 17533 19306 23051 29156 35066 38612 46102 51023 70132 92204 102046 122731 161357 204092 245462 322714 357161 490924 645428 648721 714322 859117 1297442 1428644 1718234 2594884 3436468 4541047 9082094 18164188 31787329 63574658 127149316