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2147212 = 22536803
BaseRepresentation
bin1000001100001110001100
311001002102101
420030032030
51022202322
6114004444
724152044
oct10141614
94032371
102147212
111237261
12876724
135a2452
143dc724
152c6327
hex20c38c

2147212 has 6 divisors (see below), whose sum is σ = 3757628. Its totient is φ = 1073604.

The previous prime is 2147177. The next prime is 2147213. The reversal of 2147212 is 2127412.

It is a happy number.

It is a super-2 number, since 2×21472122 = 9221038745888, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2147212.

It is not an unprimeable number, because it can be changed into a prime (2147213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268398 + ... + 268405.

22147212 is an apocalyptic number.

It is an amenable number.

2147212 is a deficient number, since it is larger than the sum of its proper divisors (1610416).

2147212 is a wasteful number, since it uses less digits than its factorization.

2147212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536807 (or 536805 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 2147212 is about 1465.3368213486. The cubic root of 2147212 is about 129.0104752826.

The spelling of 2147212 in words is "two million, one hundred forty-seven thousand, two hundred twelve".

Divisors: 1 2 4 536803 1073606 2147212