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3968770 = 251330529
BaseRepresentation
bin1111001000111100000010
321110122010111
433020330002
52004000040
6221021534
745506521
oct17107402
97418114
103968770
112270883
1213b48aa
13a8c5b0
147544b8
15535dea
hex3c8f02

3968770 has 16 divisors (see below), whose sum is σ = 7693560. Its totient is φ = 1465344.

The previous prime is 3968761. The next prime is 3968801. The reversal of 3968770 is 778693.

It can be written as a sum of positive squares in 4 ways, for example, as 1075369 + 2893401 = 1037^2 + 1701^2 .

It is a super-2 number, since 2×39687702 = 31502270625800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 311 + 93 + 66 + 87 + 77 + 77 + 0 .

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, 15135 + ... + 15394.

Almost surely, 23968770 is an apocalyptic number.

3968770 is a deficient number, since it is larger than the sum of its proper divisors (3724790).

3968770 is a wasteful number, since it uses less digits than its factorization.

3968770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30549.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3968770 is about 1992.1772009538. The cubic root of 3968770 is about 158.3259042375.

The spelling of 3968770 in words is "three million, nine hundred sixty-eight thousand, seven hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 30529 61058 152645 305290 396877 793754 1984385 3968770