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50380668 = 223213831297
BaseRepresentation
bin1100000000101…
…1111101111100
310111210121021200
43000023331330
5100344140133
64555455500
71151141262
oct300137574
9114717250
1050380668
1126490818
1214a57590
13a58c760
146996432
154652913
hex300bf7c

50380668 has 72 divisors (see below), whose sum is σ = 138906768. Its totient is φ = 15303168.

The previous prime is 50380667. The next prime is 50380669. The reversal of 50380668 is 86608305.

It is an interprime number because it is at equal distance from previous prime (50380667) and next prime (50380669).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50380667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38196 + ... + 39492.

Almost surely, 250380668 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 50380668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69453384).

50380668 is an abundant number, since it is smaller than the sum of its proper divisors (88526100).

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

50380668 is a wasteful number, since it uses less digits than its factorization.

50380668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 50380668 is about 7097.9340656278. The cubic root of 50380668 is about 369.3357158012.

The spelling of 50380668 in words is "fifty million, three hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 83 117 156 166 234 249 332 468 498 747 996 1079 1297 1494 2158 2594 2988 3237 3891 4316 5188 6474 7782 9711 11673 12948 15564 16861 19422 23346 33722 38844 46692 50583 67444 101166 107651 151749 202332 215302 303498 322953 430604 606996 645906 968859 1291812 1399463 1937718 2798926 3875436 4198389 5597852 8396778 12595167 16793556 25190334 50380668