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1994962210 = 25434639447
BaseRepresentation
bin111011011101000…
…1011010100100010
312011000212120200021
41312322023110202
513041202242320
6525542544054
7100302620233
oct16672132442
95130776607
101994962210
119341166aa
1247813802a
1325a402317
1414cd4708a
15ba219daa
hex76e8b522

1994962210 has 16 divisors (see below), whose sum is σ = 3674442816. Its totient is φ = 779426928.

The previous prime is 1994962183. The next prime is 1994962213. The reversal of 1994962210 is 122694991.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1994962213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319294 + ... + 2320153.

It is an arithmetic number, because the mean of its divisors is an integer number (229652676).

Almost surely, 21994962210 is an apocalyptic number.

1994962210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1994962210 is a deficient number, since it is larger than the sum of its proper divisors (1679480606).

1994962210 is a wasteful number, since it uses less digits than its factorization.

1994962210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639497.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1994962210 is about 44664.9998320833. Note that the first 3 decimals coincide. The cubic root of 1994962210 is about 1258.8622908180.

The spelling of 1994962210 in words is "one billion, nine hundred ninety-four million, nine hundred sixty-two thousand, two hundred ten".

Divisors: 1 2 5 10 43 86 215 430 4639447 9278894 23197235 46394470 199496221 398992442 997481105 1994962210