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2105424430 = 25210542443
BaseRepresentation
bin111110101111110…
…0011101000101110
312102201201122100121
41331133203220232
513302442040210
6544530315154
7103113545434
oct17537435056
95381648317
102105424430
1199050359a
124a9128aba
13277269b95
1415d89cd54
15c4c896da
hex7d7e3a2e

2105424430 has 8 divisors (see below), whose sum is σ = 3789763992. Its totient is φ = 842169768.

The previous prime is 2105424413. The next prime is 2105424443. The reversal of 2105424430 is 344245012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2105424395 and 2105424404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105271212 + ... + 105271231.

It is an arithmetic number, because the mean of its divisors is an integer number (473720499).

Almost surely, 22105424430 is an apocalyptic number.

2105424430 is a deficient number, since it is larger than the sum of its proper divisors (1684339562).

2105424430 is a wasteful number, since it uses less digits than its factorization.

2105424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210542450.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2105424430 is about 45884.9041624803. The cubic root of 2105424430 is about 1281.6808220675.

Adding to 2105424430 its reverse (344245012), we get a palindrome (2449669442).

The spelling of 2105424430 in words is "two billion, one hundred five million, four hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 210542443 421084886 1052712215 2105424430