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1990352 = 247131367
BaseRepresentation
bin111100101111011010000
310202010020202
413211323100
51002142402
6110354332
722626530
oct7457320
93663222
101990352
11113a421
127bb9a8
13548c30
1439b4c0
15294b02
hex1e5ed0

1990352 has 40 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 786816.

The previous prime is 1990337. The next prime is 1990361. The reversal of 1990352 is 2530991.

It is a congruent number.

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, 773 + ... + 2139.

21990352 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 1990352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374848).

1990352 is an abundant number, since it is smaller than the sum of its proper divisors (2759344).

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

1990352 is a wasteful number, since it uses less digits than its factorization.

1990352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1990352 is about 1410.7983555420. The cubic root of 1990352 is about 125.7891830355.

The spelling of 1990352 in words is "one million, nine hundred ninety thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1367 1456 2734 5468 9569 10936 17771 19138 21872 35542 38276 71084 76552 124397 142168 153104 248794 284336 497588 995176 1990352