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7149064 = 2313531297
BaseRepresentation
bin11011010001011000001000
3111110012200011
4123101120020
53312232224
6413121304
7114523516
oct33213010
914405604
107149064
11404321a
122489234
131634020
14d414b6
15963394
hex6d1608

7149064 has 32 divisors (see below), whose sum is σ = 14719320. Its totient is φ = 3234816.

The previous prime is 7149059. The next prime is 7149097. The reversal of 7149064 is 4609417.

It can be written as a sum of positive squares in 4 ways, for example, as 7064964 + 84100 = 2658^2 + 290^2 .

It is a super-2 number, since 2×71490642 = 102218232152192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4864 + ... + 6160.

Almost surely, 27149064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7149064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7359660).

7149064 is an abundant number, since it is smaller than the sum of its proper divisors (7570256).

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

7149064 is a wasteful number, since it uses less digits than its factorization.

7149064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7149064 is about 2673.7733636193. The cubic root of 7149064 is about 192.6414454892.

The spelling of 7149064 in words is "seven million, one hundred forty-nine thousand, sixty-four".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 424 689 1297 1378 2594 2756 5188 5512 10376 16861 33722 67444 68741 134888 137482 274964 549928 893633 1787266 3574532 7149064