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3074621761 = 23133679207
BaseRepresentation
bin1011011101000011…
…0000000101000001
321221021102222011001
42313100300011001
522244100344021
61225031452001
7136122565561
oct26720600501
97837388131
103074621761
1113385a8922
12719827001
1339ccb0923
142124acda1
1512edd4091
hexb7430141

3074621761 has 4 divisors (see below), whose sum is σ = 3208300992. Its totient is φ = 2940942532.

The previous prime is 3074621723. The next prime is 3074621783. The reversal of 3074621761 is 1671264703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1671264703 = 4338866621.

It is a cyclic number.

It is not a de Polignac number, because 3074621761 - 223 = 3066233153 is a prime.

It is a super-2 number, since 2×30746217612 = 18906597946429482242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3074621761.

It is not an unprimeable number, because it can be changed into a prime (3074621161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66839581 + ... + 66839626.

It is an arithmetic number, because the mean of its divisors is an integer number (802075248).

Almost surely, 23074621761 is an apocalyptic number.

It is an amenable number.

3074621761 is a deficient number, since it is larger than the sum of its proper divisors (133679231).

3074621761 is a wasteful number, since it uses less digits than its factorization.

3074621761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133679230.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 3074621761 is about 55449.2719609554. The cubic root of 3074621761 is about 1454.1099031954.

The spelling of 3074621761 in words is "three billion, seventy-four million, six hundred twenty-one thousand, seven hundred sixty-one".

Divisors: 1 23 133679207 3074621761