Search a number
-
+
10421970 = 2351326723
BaseRepresentation
bin100111110000…
…011011010010
3201121111020220
4213300123102
510132000340
61011213510
7154404516
oct47603322
921544226
1010421970
1159791a9
1235a7296
13220b960
141554146
15daced0
hex9f06d2

10421970 has 32 divisors (see below), whose sum is σ = 26937792. Its totient is φ = 2565312.

The previous prime is 10421963. The next prime is 10421981. The reversal of 10421970 is 7912401.

10421970 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10421970.

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, 12972 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (841806).

Almost surely, 210421970 is an apocalyptic number.

10421970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10421970 is an abundant number, since it is smaller than the sum of its proper divisors (16515822).

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

10421970 is a wasteful number, since it uses less digits than its factorization.

10421970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 10421970 is about 3228.3076061615. The cubic root of 10421970 is about 218.4321730032.

The spelling of 10421970 in words is "ten million, four hundred twenty-one thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 26723 53446 80169 133615 160338 267230 347399 400845 694798 801690 1042197 1736995 2084394 3473990 5210985 10421970