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1374770749 = 11831505773
BaseRepresentation
bin101000111110001…
…0101011000111101
310112210212120221011
41101330111120331
510303420130444
6344230035221
746032233662
oct12174253075
93483776834
101374770749
11646027680
123244a8b11
1318ba87121
14d0825a69
1580a5e734
hex51f1563d

1374770749 has 8 divisors (see below), whose sum is σ = 1517820192. Its totient is φ = 1234733040.

The previous prime is 1374770699. The next prime is 1374770791. The reversal of 1374770749 is 9470774731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1374770749 - 221 = 1372673597 is a prime.

It is a super-2 number, since 2×13747707492 = 3779989224612042002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374770249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751974 + ... + 753799.

It is an arithmetic number, because the mean of its divisors is an integer number (189727524).

Almost surely, 21374770749 is an apocalyptic number.

It is an amenable number.

1374770749 is a deficient number, since it is larger than the sum of its proper divisors (143049443).

1374770749 is a wasteful number, since it uses less digits than its factorization.

1374770749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505867.

The product of its (nonzero) digits is 1037232, while the sum is 49.

The square root of 1374770749 is about 37077.9010867660. The cubic root of 1374770749 is about 1111.9282418910.

The spelling of 1374770749 in words is "one billion, three hundred seventy-four million, seven hundred seventy thousand, seven hundred forty-nine".

Divisors: 1 11 83 913 1505773 16563503 124979159 1374770749