Search a number
-
+
7722068 = 221930517
BaseRepresentation
bin11101011101010001010100
3112112022200112
4131131101110
53434101233
6433302152
7122431214
oct35352124
915468615
107722068
1143a4782
122704958
1317a4a93
141050244
15a28048
hex75d454

7722068 has 6 divisors (see below), whose sum is σ = 13513626. Its totient is φ = 3861032.

The previous prime is 7722067. The next prime is 7722107. The reversal of 7722068 is 8602277.

It can be written as a sum of positive squares in only one way, i.e., 4892944 + 2829124 = 2212^2 + 1682^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965255 + ... + 965262.

It is an arithmetic number, because the mean of its divisors is an integer number (2252271).

Almost surely, 27722068 is an apocalyptic number.

It is an amenable number.

7722068 is a deficient number, since it is larger than the sum of its proper divisors (5791558).

7722068 is a wasteful number, since it uses less digits than its factorization.

7722068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930521 (or 1930519 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 7722068 is about 2778.8609177143. The cubic root of 7722068 is about 197.6565484209.

The spelling of 7722068 in words is "seven million, seven hundred twenty-two thousand, sixty-eight".

Divisors: 1 2 4 1930517 3861034 7722068