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377680356 = 2232412792
BaseRepresentation
bin10110100000101…
…111000111100100
3222022200011001100
4112200233013210
51233141232411
6101251000100
712234141624
oct2640570744
9868604040
10377680356
11184210929
12a6599030
1360328401
1438234884
1523255456
hex1682f1e4

377680356 has 81 divisors (see below), whose sum is σ = 991088553. Its totient is φ = 121268160.

The previous prime is 377680351. The next prime is 377680357. The reversal of 377680356 is 653086773.

The square root of 377680356 is 19434.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18198756 + 359481600 = 4266^2 + 18960^2 .

It is not an unprimeable number, because it can be changed into a prime (377680351) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4780725 + ... + 4780803.

Almost surely, 2377680356 is an apocalyptic number.

377680356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

377680356 is the 19434-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 377680356

377680356 is an abundant number, since it is smaller than the sum of its proper divisors (613408197).

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

377680356 is a wasteful number, since it uses less digits than its factorization.

377680356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The cubic root of 377680356 is about 722.8388155575.

The spelling of 377680356 in words is "three hundred seventy-seven million, six hundred eighty thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 41 79 82 123 158 164 237 246 316 369 474 492 711 738 948 1422 1476 1681 2844 3239 3362 5043 6241 6478 6724 9717 10086 12482 12956 15129 18723 19434 20172 24964 29151 30258 37446 38868 56169 58302 60516 74892 112338 116604 132799 224676 255881 265598 398397 511762 531196 767643 796794 1023524 1195191 1535286 1593588 2302929 2390382 3070572 4605858 4780764 9211716 10491121 20982242 31473363 41964484 62946726 94420089 125893452 188840178 377680356