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3620231145 = 335371794049
BaseRepresentation
bin1101011111001000…
…0101011111101001
3100100022002210112000
43113302011133221
524403234344040
61355122041213
7155466312516
oct32762053751
910308083460
103620231145
111598587273
128504a9209
1345904480b
14264b3830d
15162c5b130
hexd7c857e9

3620231145 has 64 divisors (see below), whose sum is σ = 6648480000. Its totient is φ = 1867650048.

The previous prime is 3620231123. The next prime is 3620231171. The reversal of 3620231145 is 5411320263.

3620231145 is a `hidden beast` number, since 3 + 620 + 2 + 31 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 3620231145 - 25 = 3620231113 is a prime.

It is a super-2 number, since 2×36202311452 = 26212147086456022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 892081 + ... + 896129.

It is an arithmetic number, because the mean of its divisors is an integer number (103882500).

Almost surely, 23620231145 is an apocalyptic number.

It is an amenable number.

3620231145 is a deficient number, since it is larger than the sum of its proper divisors (3028248855).

3620231145 is a wasteful number, since it uses less digits than its factorization.

3620231145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279 (or 4273 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3620231145 is about 60168.3566752492. The cubic root of 3620231145 is about 1535.4844881057.

The spelling of 3620231145 in words is "three billion, six hundred twenty million, two hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 37 45 111 135 179 185 333 537 555 895 999 1611 1665 2685 4049 4833 4995 6623 8055 12147 19869 20245 24165 33115 36441 59607 60735 99345 109323 149813 178821 182205 298035 449439 546615 724771 749065 894105 1348317 2174313 2247195 3623855 4044951 6522939 6741585 10871565 19568817 20224755 26816527 32614695 80449581 97844085 134082635 241348743 402247905 724046229 1206743715 3620231145