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208117148 = 22411269007
BaseRepresentation
bin11000110011110…
…01110110011100
3112111121110001112
430121321312130
5411234222043
632352401152
75104652351
oct1431716634
9474543045
10208117148
11a7527548
12598461b8
1334169b55
141d8d6628
151340e518
hexc679d9c

208117148 has 12 divisors (see below), whose sum is σ = 373088352. Its totient is φ = 101520480.

The previous prime is 208117139. The next prime is 208117153. The reversal of 208117148 is 841711802.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634340 + ... + 634667.

It is an arithmetic number, because the mean of its divisors is an integer number (31090696).

Almost surely, 2208117148 is an apocalyptic number.

It is an amenable number.

208117148 is a deficient number, since it is larger than the sum of its proper divisors (164971204).

208117148 is a wasteful number, since it uses less digits than its factorization.

208117148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269052 (or 1269050 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 208117148 is about 14426.2659063252. The cubic root of 208117148 is about 592.6104269364.

The spelling of 208117148 in words is "two hundred eight million, one hundred seventeen thousand, one hundred forty-eight".

Divisors: 1 2 4 41 82 164 1269007 2538014 5076028 52029287 104058574 208117148