Search a number
-
+
1997032 = 23594231
BaseRepresentation
bin111100111100011101000
310202110102011
413213203220
51002401112
6110445304
722655152
oct7474350
93673364
101997032
111144444
12803834
1354bc9b
1439dad2
15296aa7
hex1e78e8

1997032 has 16 divisors (see below), whose sum is σ = 3808800. Its totient is φ = 981360.

The previous prime is 1997029. The next prime is 1997053. The reversal of 1997032 is 2307991.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1996985 and 1997003.

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, 1644 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (238050).

21997032 is an apocalyptic number.

It is an amenable number.

1997032 is a deficient number, since it is larger than the sum of its proper divisors (1811768).

1997032 is a wasteful number, since it uses less digits than its factorization.

1997032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1997032 is about 1413.1638263131. The cubic root of 1997032 is about 125.9297500398.

Subtracting from 1997032 its sum of digits (31), we obtain a triangular number (1997001 = T1998).

It can be divided in two parts, 19970 and 32, that added together give a palindrome (20002).

The spelling of 1997032 in words is "one million, nine hundred ninety-seven thousand, thirty-two".

Divisors: 1 2 4 8 59 118 236 472 4231 8462 16924 33848 249629 499258 998516 1997032