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1994958950 = 25283480713
BaseRepresentation
bin111011011101000…
…1010100001100110
312011000212102012112
41312322022201212
513041202141300
6525542521022
7100302604565
oct16672124146
95130772175
101994958950
11934114206
12478136172
1325a4009aa
1414cd45bdc
15ba218e35
hex76e8a866

1994958950 has 24 divisors (see below), whose sum is σ = 3755337768. Its totient is φ = 788367680.

The previous prime is 1994958947. The next prime is 1994958961. The reversal of 1994958950 is 598594991.

It is a super-2 number, since 2×19949589502 = 7959722424370205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1994958950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236207 + ... + 244506.

It is an arithmetic number, because the mean of its divisors is an integer number (156472407).

Almost surely, 21994958950 is an apocalyptic number.

1994958950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1994958950 is a deficient number, since it is larger than the sum of its proper divisors (1760378818).

1994958950 is a wasteful number, since it uses less digits than its factorization.

1994958950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480808 (or 480803 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 59.

The square root of 1994958950 is about 44664.9633381692. The cubic root of 1994958950 is about 1258.8616051086.

The spelling of 1994958950 in words is "one billion, nine hundred ninety-four million, nine hundred fifty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 83 166 415 830 2075 4150 480713 961426 2403565 4807130 12017825 24035650 39899179 79798358 199495895 398991790 997479475 1994958950