Search a number
-
+
28067202 = 233683761
BaseRepresentation
bin110101100010…
…0010110000010
31221210221222000
41223010112002
524141122302
62441324430
7460365402
oct153042602
957727860
1028067202
1114930339
129496716
135a79317
143a28802
1526e631c
hex1ac4582

28067202 has 32 divisors (see below), whose sum is σ = 62544960. Its totient is φ = 9329760.

The previous prime is 28067177. The next prime is 28067209. The reversal of 28067202 is 20276082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28067209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36502 + ... + 37262.

It is an arithmetic number, because the mean of its divisors is an integer number (1954530).

Almost surely, 228067202 is an apocalyptic number.

28067202 is an abundant number, since it is smaller than the sum of its proper divisors (34477758).

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

28067202 is a wasteful number, since it uses less digits than its factorization.

28067202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28067202 is about 5297.8488087147. The cubic root of 28067202 is about 303.9016374408.

The spelling of 28067202 in words is "twenty-eight million, sixty-seven thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 683 761 1366 1522 2049 2283 4098 4566 6147 6849 12294 13698 18441 20547 36882 41094 519763 1039526 1559289 3118578 4677867 9355734 14033601 28067202