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748669738 = 21971900177
BaseRepresentation
bin101100100111111…
…100101100101010
31221011202100210211
4230213330230222
53013124412423
6202142331334
724360405415
oct5447745452
91834670724
10748669738
11354671723
1218a889b4a
13bc15015b
1471606b7c
1545ad810d
hex2c9fcb2a

748669738 has 8 divisors (see below), whose sum is σ = 1128705732. Its totient is φ = 372434496.

The previous prime is 748669709. The next prime is 748669741. The reversal of 748669738 is 837966847.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 743816529 + 4853209 = 27273^2 + 2203^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 949695 + ... + 950482.

Almost surely, 2748669738 is an apocalyptic number.

748669738 is a deficient number, since it is larger than the sum of its proper divisors (380035994).

748669738 is a wasteful number, since it uses less digits than its factorization.

748669738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900376.

The product of its digits is 12192768, while the sum is 58.

The square root of 748669738 is about 27361.8299461129. The cubic root of 748669738 is about 908.0228126324.

The spelling of 748669738 in words is "seven hundred forty-eight million, six hundred sixty-nine thousand, seven hundred thirty-eight".

Divisors: 1 2 197 394 1900177 3800354 374334869 748669738