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20946352 = 247296449
BaseRepresentation
bin100111111100…
…1110110110000
31110102011222211
41033321312300
520330240402
62024541504
7343020040
oct117716660
943364884
1020946352
1110907339
127021894
1344550bb
142ad3720
151c8b4d7
hex13f9db0

20946352 has 40 divisors (see below), whose sum is σ = 47988000. Its totient is φ = 8666112.

The previous prime is 20946347. The next prime is 20946361. The reversal of 20946352 is 25364902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (1199700).

Almost surely, 220946352 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 20946352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23994000).

20946352 is an abundant number, since it is smaller than the sum of its proper divisors (27041648).

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

20946352 is a wasteful number, since it uses less digits than its factorization.

20946352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 20946352 is about 4576.7184750649. The cubic root of 20946352 is about 275.6572795702.

The spelling of 20946352 in words is "twenty million, nine hundred forty-six thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 1624 3248 6449 12898 25796 45143 51592 90286 103184 180572 187021 361144 374042 722288 748084 1309147 1496168 2618294 2992336 5236588 10473176 20946352