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377642628 = 2233111272503
BaseRepresentation
bin10110100000100…
…101111010000100
3222022121020022000
4112200211322010
51233134031003
6101250105300
712233623626
oct2640457204
9868536260
10377642628
11184195550
12a657b230
136031419c
1438224c16
15232491a3
hex16825e84

377642628 has 96 divisors (see below), whose sum is σ = 1076920320. Its totient is φ = 113490720.

The previous prime is 377642623. The next prime is 377642647. The reversal of 377642628 is 826246773.

It is a super-3 number, since 3×3776426283 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Its product of digits (677376) is a multiple of the sum of its prime divisors (2646).

It is not an unprimeable number, because it can be changed into a prime (377642621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149625 + ... + 152127.

It is an arithmetic number, because the mean of its divisors is an integer number (11217920).

Almost surely, 2377642628 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 377642628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538460160).

377642628 is an abundant number, since it is smaller than the sum of its proper divisors (699277692).

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

377642628 is a wasteful number, since it uses less digits than its factorization.

377642628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2646 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 377642628 is about 19433.0293057979. The cubic root of 377642628 is about 722.8147456701.

The spelling of 377642628 in words is "three hundred seventy-seven million, six hundred forty-two thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 127 132 198 254 297 381 396 508 594 762 1143 1188 1397 1524 2286 2503 2794 3429 4191 4572 5006 5588 6858 7509 8382 10012 12573 13716 15018 16764 22527 25146 27533 30036 37719 45054 50292 55066 67581 75438 82599 90108 110132 135162 150876 165198 247797 270324 317881 330396 495594 635762 743391 953643 991188 1271524 1486782 1907286 2860929 2973564 3496691 3814572 5721858 6993382 8582787 10490073 11443716 13986764 17165574 20980146 31470219 34331148 41960292 62940438 94410657 125880876 188821314 377642628