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192920 = 23571353
BaseRepresentation
bin101111000110011000
3100210122012
4233012120
522133140
64045052
71432310
oct570630
9323565
10192920
11121a42
1293788
1369a70
1450440
153c265
hex2f198

192920 has 64 divisors (see below), whose sum is σ = 544320. Its totient is φ = 59904.

The previous prime is 192917. The next prime is 192923. The reversal of 192920 is 29291.

192920 = T1 + T2 + ... + T104.

192920 = 1632 + 1642 + ... + 1692.

192920 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

192920 is a nontrivial binomial coefficient, being equal to C(106, 3).

It is an interprime number because it is at equal distance from previous prime (192917) and next prime (192923).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192923) by changing a digit.

It is the 104-th tetrahedral number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3614 + ... + 3666.

It is an arithmetic number, because the mean of its divisors is an integer number (8505).

2192920 is an apocalyptic number.

192920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 192920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272160).

192920 is an abundant number, since it is smaller than the sum of its proper divisors (351400).

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

192920 is a wasteful number, since it uses less digits than its factorization.

192920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 192920 is about 439.2265930018. The cubic root of 192920 is about 57.7819797514.

The spelling of 192920 in words is "one hundred ninety-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 53 56 65 70 91 104 106 130 140 182 212 260 265 280 364 371 424 455 520 530 689 728 742 910 1060 1378 1484 1820 1855 2120 2756 2968 3445 3640 3710 4823 5512 6890 7420 9646 13780 14840 19292 24115 27560 38584 48230 96460 192920