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3890070653 = 7279389197
BaseRepresentation
bin1110011111011101…
…1100010001111101
3101001002212001201212
43213313130101331
530431324230103
61442001414205
7165254024600
oct34767342175
911032761655
103890070653
111716930727
1290693a365
1349cc12571
1428c8da337
1517b7ad7d8
hexe7ddc47d

3890070653 has 6 divisors (see below), whose sum is σ = 4525184286. Its totient is φ = 3334346232.

The previous prime is 3890070641. The next prime is 3890070683. The reversal of 3890070653 is 3560700983.

It can be written as a sum of positive squares in only one way, i.e., 3886524964 + 3545689 = 62342^2 + 1883^2 .

It is not a de Polignac number, because 3890070653 - 214 = 3890054269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3890070653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890070683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39694550 + ... + 39694647.

It is an arithmetic number, because the mean of its divisors is an integer number (754197381).

Almost surely, 23890070653 is an apocalyptic number.

It is an amenable number.

3890070653 is a deficient number, since it is larger than the sum of its proper divisors (635113633).

3890070653 is an equidigital number, since it uses as much as digits as its factorization.

3890070653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79389211 (or 79389204 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 3890070653 is about 62370.4309188256. The cubic root of 3890070653 is about 1572.7239354425.

The spelling of 3890070653 in words is "three billion, eight hundred ninety million, seventy thousand, six hundred fifty-three".

Divisors: 1 7 49 79389197 555724379 3890070653