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1990962 = 232110609
BaseRepresentation
bin111100110000100110010
310202011002100
413212010302
51002202322
6110401230
722631361
oct7460462
93664070
101990962
11113a926
12800216
135492ac
1439b7d8
15294dac
hex1e6132

1990962 has 12 divisors (see below), whose sum is σ = 4313790. Its totient is φ = 663648.

The previous prime is 1990957. The next prime is 1990969. The reversal of 1990962 is 2690991.

It can be written as a sum of positive squares in only one way, i.e., 1320201 + 670761 = 1149^2 + 819^2 .

It is not an unprimeable number, because it can be changed into a prime (1990969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55287 + ... + 55322.

21990962 is an apocalyptic number.

1990962 is an abundant number, since it is smaller than the sum of its proper divisors (2322828).

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

1990962 is a wasteful number, since it uses less digits than its factorization.

1990962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110617 (or 110614 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 1990962 is about 1411.0145286282. The cubic root of 1990962 is about 125.8020322810.

The spelling of 1990962 in words is "one million, nine hundred ninety thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 9 18 110609 221218 331827 663654 995481 1990962