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147008730 = 23511795639
BaseRepresentation
bin10001100001100…
…10110011011010
3101020121211001210
420300302303122
5300113234410
622330523550
73433360611
oct1060626332
9336554053
10147008730
1175a89920
12412965b6
13245c251b
141574a878
15cd8d220
hex8c32cda

147008730 has 64 divisors (see below), whose sum is σ = 389836800. Its totient is φ = 35181120.

The previous prime is 147008717. The next prime is 147008731. The reversal of 147008730 is 37800741.

It is a happy number.

It is a super-2 number, since 2×1470087302 = 43223133392425800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (147008731) 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 31 ways as a sum of consecutive naturals, for example, 23251 + ... + 28889.

It is an arithmetic number, because the mean of its divisors is an integer number (6091200).

Almost surely, 2147008730 is an apocalyptic number.

147008730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147008730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194918400).

147008730 is an abundant number, since it is smaller than the sum of its proper divisors (242828070).

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

147008730 is a wasteful number, since it uses less digits than its factorization.

147008730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 147008730 is about 12124.7156667693. The cubic root of 147008730 is about 527.7736561410.

The spelling of 147008730 in words is "one hundred forty-seven million, eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 79 110 158 165 237 330 395 474 790 869 1185 1738 2370 2607 4345 5214 5639 8690 11278 13035 16917 26070 28195 33834 56390 62029 84585 124058 169170 186087 310145 372174 445481 620290 890962 930435 1336443 1860870 2227405 2672886 4454810 4900291 6682215 9800582 13364430 14700873 24501455 29401746 49002910 73504365 147008730