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133038080 = 2175729
BaseRepresentation
bin1111110111000…
…00000000000000
3100021100000221022
413323200000000
5233024204310
621111245012
73203543060
oct773400000
9307300838
10133038080
116910752a
1238679768
1321740576
14139513a0
15ba2da55
hex7ee0000

133038080 has 144 divisors (see below), whose sum is σ = 377485920. Its totient is φ = 44040192.

The previous prime is 133038053. The next prime is 133038083. The reversal of 133038080 is 80830331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133038083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4587506 + ... + 4587534.

It is an arithmetic number, because the mean of its divisors is an integer number (2621430).

Almost surely, 2133038080 is an apocalyptic number.

133038080 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 133038080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188742960).

133038080 is an abundant number, since it is smaller than the sum of its proper divisors (244447840).

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

133038080 is an frugal number, since it uses more digits than its factorization.

133038080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 133038080 is about 11534.2134538945. The cubic root of 133038080 is about 510.4955838845.

The spelling of 133038080 in words is "one hundred thirty-three million, thirty-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 116 128 140 145 160 203 224 232 256 280 290 320 406 448 464 512 560 580 640 812 896 928 1015 1024 1120 1160 1280 1624 1792 1856 2030 2048 2240 2320 2560 3248 3584 3712 4060 4096 4480 4640 5120 6496 7168 7424 8120 8192 8960 9280 10240 12992 14336 14848 16240 16384 17920 18560 20480 25984 28672 29696 32480 32768 35840 37120 40960 51968 57344 59392 64960 65536 71680 74240 81920 103936 114688 118784 129920 131072 143360 148480 163840 207872 229376 237568 259840 286720 296960 327680 415744 458752 475136 519680 573440 593920 655360 831488 917504 950272 1039360 1146880 1187840 1662976 1900544 2078720 2293760 2375680 3325952 3801088 4157440 4587520 4751360 6651904 8314880 9502720 13303808 16629760 19005440 26607616 33259520 66519040 133038080