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137152380 = 223541127439
BaseRepresentation
bin10000010110011…
…00011101111100
3100120002001200210
420023030131330
5240102334010
621335352420
73253530111
oct1013143574
9316061623
10137152380
1170467682
1239b22710
1322551171
1414302908
15c092b20
hex82cc77c

137152380 has 96 divisors (see below), whose sum is σ = 397393920. Its totient is φ = 35320320.

The previous prime is 137152373. The next prime is 137152391. The reversal of 137152380 is 83251731.

137152380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312201 + ... + 312639.

It is an arithmetic number, because the mean of its divisors is an integer number (4139520).

Almost surely, 2137152380 is an apocalyptic number.

137152380 is a gapful number since it is divisible by the number (10) 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 137152380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198696960).

137152380 is an abundant number, since it is smaller than the sum of its proper divisors (260241540).

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

137152380 is a wasteful number, since it uses less digits than its factorization.

137152380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 137152380 is about 11711.2074526925. The cubic root of 137152380 is about 515.7047316190.

The spelling of 137152380 in words is "one hundred thirty-seven million, one hundred fifty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 127 164 205 246 254 381 410 439 492 508 615 635 762 820 878 1230 1270 1317 1524 1756 1905 2195 2460 2540 2634 3810 4390 5207 5268 6585 7620 8780 10414 13170 15621 17999 20828 26035 26340 31242 35998 52070 53997 55753 62484 71996 78105 89995 104140 107994 111506 156210 167259 179990 215988 223012 269985 278765 312420 334518 359980 539970 557530 669036 836295 1079940 1115060 1672590 2285873 3345180 4571746 6857619 9143492 11429365 13715238 22858730 27430476 34288095 45717460 68576190 137152380