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133672960 = 212561107
BaseRepresentation
bin1111111011110…
…11000000000000
3100022112021211101
413331323000000
5233210013320
621133024144
73212126041
oct775730000
9308467741
10133672960
1169500523
1238925054
1321903535
1413a788c8
15bb06c0a
hex7f7b000

133672960 has 104 divisors (see below), whose sum is σ = 329081616. Its totient is φ = 52101120.

The previous prime is 133672951. The next prime is 133672969. The reversal of 133672960 is 69276331.

It is an interprime number because it is at equal distance from previous prime (133672951) and next prime (133672969).

It is not an unprimeable number, because it can be changed into a prime (133672969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249227 + ... + 1249333.

Almost surely, 2133672960 is an apocalyptic number.

133672960 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 133672960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164540808).

133672960 is an abundant number, since it is smaller than the sum of its proper divisors (195408656).

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

133672960 is an equidigital number, since it uses as much as digits as its factorization.

133672960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 133672960 is about 11561.7022968073. The cubic root of 133672960 is about 511.3063523507.

The spelling of 133672960 in words is "one hundred thirty-three million, six hundred seventy-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 61 64 80 107 122 128 160 214 244 256 305 320 428 488 512 535 610 640 856 976 1024 1070 1220 1280 1712 1952 2048 2140 2440 2560 3424 3904 4096 4280 4880 5120 6527 6848 7808 8560 9760 10240 13054 13696 15616 17120 19520 20480 26108 27392 31232 32635 34240 39040 52216 54784 62464 65270 68480 78080 104432 109568 124928 130540 136960 156160 208864 219136 249856 261080 273920 312320 417728 438272 522160 547840 624640 835456 1044320 1095680 1249280 1670912 2088640 2191360 3341824 4177280 6683648 8354560 13367296 16709120 26734592 33418240 66836480 133672960