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193105630 = 2519310563
BaseRepresentation
bin10111000001010…
…00111011011110
3111110100210010101
423200220323132
5343413340010
631054531314
74533241114
oct1340507336
9443323111
10193105630
119a004133
1254806b3a
13310121b3
141b909ab4
1511e4673a
hexb828ede

193105630 has 8 divisors (see below), whose sum is σ = 347590152. Its totient is φ = 77242248.

The previous prime is 193105621. The next prime is 193105673. The reversal of 193105630 is 36501391.

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

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, 9655272 + ... + 9655291.

It is an arithmetic number, because the mean of its divisors is an integer number (43448769).

Almost surely, 2193105630 is an apocalyptic number.

193105630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193105630 is a deficient number, since it is larger than the sum of its proper divisors (154484522).

193105630 is a wasteful number, since it uses less digits than its factorization.

193105630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310570.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 193105630 is about 13896.2451763057. The cubic root of 193105630 is about 578.0050665456.

The spelling of 193105630 in words is "one hundred ninety-three million, one hundred five thousand, six hundred thirty".

Divisors: 1 2 5 10 19310563 38621126 96552815 193105630