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1993020 = 223559563
BaseRepresentation
bin111100110100100111100
310202020220120
413212210330
51002234040
6110414540
722640361
oct7464474
93666816
101993020
111141427
12801450
1354a203
1439c468
152957d0
hex1e693c

1993020 has 48 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 521536.

The previous prime is 1992983. The next prime is 1993031. The reversal of 1993020 is 203991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (118440).

21993020 is an apocalyptic number.

1993020 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 1993020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842560).

1993020 is an abundant number, since it is smaller than the sum of its proper divisors (3692100).

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

1993020 is a wasteful number, since it uses less digits than its factorization.

1993020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1993020 is about 1411.7436027835. The cubic root of 1993020 is about 125.8453633319.

It can be divided in two parts, 19 and 93020, that added together give a palindrome (93039).

The spelling of 1993020 in words is "one million, nine hundred ninety-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 563 590 708 885 1126 1180 1689 1770 2252 2815 3378 3540 5630 6756 8445 11260 16890 33217 33780 66434 99651 132868 166085 199302 332170 398604 498255 664340 996510 1993020