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133748030 = 251319173313
BaseRepresentation
bin1111111100011…
…01010100111110
3100022200002210202
413332031110332
5233214414110
621134403502
73212560643
oct776152476
9308602722
10133748030
1169551969
1238960592
132192b760
1413a97dca
15bb1e0a5
hex7f8d53e

133748030 has 64 divisors (see below), whose sum is σ = 275365440. Its totient is φ = 46365696.

The previous prime is 133748003. The next prime is 133748053. The reversal of 133748030 is 30847331.

It is a junction number, because it is equal to n+sod(n) for n = 133747984 and 133748002.

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, 427154 + ... + 427466.

It is an arithmetic number, because the mean of its divisors is an integer number (4302585).

Almost surely, 2133748030 is an apocalyptic number.

133748030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133748030 is an abundant number, since it is smaller than the sum of its proper divisors (141617410).

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

133748030 is a wasteful number, since it uses less digits than its factorization.

133748030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 133748030 is about 11564.9483353796. The cubic root of 133748030 is about 511.4020500514.

The spelling of 133748030 in words is "one hundred thirty-three million, seven hundred forty-eight thousand, thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 173 190 247 313 346 494 626 865 1235 1565 1730 2249 2470 3130 3287 4069 4498 5947 6574 8138 11245 11894 16435 20345 22490 29735 32870 40690 42731 54149 59470 77311 85462 108298 154622 213655 270745 386555 427310 541490 703937 773110 1028831 1407874 2057662 3519685 5144155 7039370 10288310 13374803 26749606 66874015 133748030