Search a number
-
+
1928972 = 22482243
BaseRepresentation
bin111010110111100001100
310122000001102
413112330030
5443211342
6105202232
722252553
oct7267414
93560042
101928972
1110a82a1
12790378
13527006
14382d9a
15281832
hex1d6f0c

1928972 has 6 divisors (see below), whose sum is σ = 3375708. Its totient is φ = 964484.

The previous prime is 1928963. The next prime is 1928989. The reversal of 1928972 is 2798291.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241118 + ... + 241125.

It is an arithmetic number, because the mean of its divisors is an integer number (562618).

21928972 is an apocalyptic number.

It is an amenable number.

1928972 is a deficient number, since it is larger than the sum of its proper divisors (1446736).

1928972 is a wasteful number, since it uses less digits than its factorization.

1928972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482247 (or 482245 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1928972 is about 1388.8743643685. The cubic root of 1928972 is about 124.4825973106.

The spelling of 1928972 in words is "one million, nine hundred twenty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 482243 964486 1928972