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4228372 = 221057093
BaseRepresentation
bin10000001000010100010100
321221211020101
4100020110110
52040301442
6230343444
750640421
oct20102424
97854211
104228372
112428925
1214bab84
13b507c5
147c0d48
15587cb7
hex408514

4228372 has 6 divisors (see below), whose sum is σ = 7399658. Its totient is φ = 2114184.

The previous prime is 4228363. The next prime is 4228373. The reversal of 4228372 is 2738224.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 857476 = 1836^2 + 926^2 .

It is a d-powerful number, because it can be written as 411 + 2 + 29 + 8 + 36 + 72 + 215 .

It is a self number, because there is not a number n which added to its sum of digits gives 4228372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528543 + ... + 528550.

Almost surely, 24228372 is an apocalyptic number.

It is an amenable number.

4228372 is a deficient number, since it is larger than the sum of its proper divisors (3171286).

4228372 is a wasteful number, since it uses less digits than its factorization.

4228372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057097 (or 1057095 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 4228372 is about 2056.3005616884. The cubic root of 4228372 is about 161.7053527475.

The spelling of 4228372 in words is "four million, two hundred twenty-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 1057093 2114186 4228372