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1995950 = 2521119191
BaseRepresentation
bin111100111010010101110
310202101221002
413213102232
51002332300
6110440302
722652045
oct7472256
93671832
101995950
111143650
12803092
1354b648
1439d55c
152965d5
hex1e74ae

1995950 has 48 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 684000.

The previous prime is 1995947. The next prime is 1995967. The reversal of 1995950 is 595991.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10355 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

21995950 is an apocalyptic number.

1995950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1995950 is an abundant number, since it is smaller than the sum of its proper divisors (2289490).

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

1995950 is a wasteful number, since it uses less digits than its factorization.

1995950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 1995950 is about 1412.7809455114. The cubic root of 1995950 is about 125.9070028488.

1995950 divided by its sum of digits (38) gives a palindrome (52525).

The spelling of 1995950 in words is "one million, nine hundred ninety-five thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 19 22 25 38 50 55 95 110 190 191 209 275 382 418 475 550 950 955 1045 1910 2090 2101 3629 4202 4775 5225 7258 9550 10450 10505 18145 21010 36290 39919 52525 79838 90725 105050 181450 199595 399190 997975 1995950