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5211208 = 23651401
BaseRepresentation
bin10011111000010001001000
3100210202102201
4103320101020
52313224313
6303405544
762203012
oct23702110
910722381
105211208
112a3a292
1218b38b4
131105c72
149991b2
156ce0dd
hex4f8448

5211208 has 8 divisors (see below), whose sum is σ = 9771030. Its totient is φ = 2605600.

The previous prime is 5211109. The next prime is 5211209. The reversal of 5211208 is 8021125.

It can be written as a sum of positive squares in only one way, i.e., 4848804 + 362404 = 2202^2 + 602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5211209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325693 + ... + 325708.

Almost surely, 25211208 is an apocalyptic number.

It is an amenable number.

5211208 is a deficient number, since it is larger than the sum of its proper divisors (4559822).

5211208 is a wasteful number, since it uses less digits than its factorization.

5211208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651407 (or 651403 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 5211208 is about 2282.8070439702. The cubic root of 5211208 is about 173.3722036429.

The spelling of 5211208 in words is "five million, two hundred eleven thousand, two hundred eight".

Divisors: 1 2 4 8 651401 1302802 2605604 5211208