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3809652 = 22372111931
BaseRepresentation
bin1110100010000101110100
321011112212020
432202011310
51433402102
6213353140
744244600
oct16420564
97145766
103809652
112172280
1213387b0
13a35042
14712500
15503bbc
hex3a2174

3809652 has 144 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 907200.

The previous prime is 3809639. The next prime is 3809653. The reversal of 3809652 is 2569083.

It is a happy number.

3809652 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38096522 = 29026896722208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122877 + ... + 122907.

It is an arithmetic number, because the mean of its divisors is an integer number (85120).

Almost surely, 23809652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3809652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6128640).

3809652 is an abundant number, since it is smaller than the sum of its proper divisors (8447628).

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

3809652 is a wasteful number, since it uses less digits than its factorization.

3809652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3809652 is about 1951.8329846583. The cubic root of 3809652 is about 156.1810849157.

The spelling of 3809652 in words is "three million, eight hundred nine thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 11 12 14 19 21 22 28 31 33 38 42 44 49 57 62 66 76 77 84 93 98 114 124 132 133 147 154 186 196 209 217 228 231 266 294 308 341 372 399 418 434 462 532 539 588 589 627 651 682 798 836 868 924 931 1023 1078 1178 1254 1302 1364 1463 1519 1596 1617 1767 1862 2046 2156 2356 2387 2508 2604 2793 2926 3038 3234 3534 3724 4092 4123 4389 4557 4774 5586 5852 6076 6468 6479 7068 7161 8246 8778 9114 9548 10241 11172 12369 12958 14322 16492 16709 17556 18228 19437 20482 24738 25916 28644 28861 30723 33418 38874 40964 45353 49476 50127 57722 61446 66836 77748 86583 90706 100254 115444 122892 136059 173166 181412 200508 272118 317471 346332 544236 634942 952413 1269884 1904826 3809652