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1044680493 = 323139108923
BaseRepresentation
bin111110010001001…
…000111100101101
32200210202021020010
4332101020330231
54114414233433
6251355043433
734613431503
oct7621107455
92623667203
101044680493
11496770a0a
12251a40579
1313858224c
149ca5c673
1561aa9e63
hex3e448f2d

1044680493 has 16 divisors (see below), whose sum is σ = 1463938560. Its totient is φ = 661374384.

The previous prime is 1044680423. The next prime is 1044680503. The reversal of 1044680493 is 3940864401.

It is a happy number.

It is not a de Polignac number, because 1044680493 - 29 = 1044679981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044680423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44871 + ... + 64052.

It is an arithmetic number, because the mean of its divisors is an integer number (91496160).

Almost surely, 21044680493 is an apocalyptic number.

It is an amenable number.

1044680493 is a deficient number, since it is larger than the sum of its proper divisors (419258067).

1044680493 is a wasteful number, since it uses less digits than its factorization.

1044680493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109088.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1044680493 is about 32321.5174922218. The cubic root of 1044680493 is about 1014.6770286129.

The spelling of 1044680493 in words is "one billion, forty-four million, six hundred eighty thousand, four hundred ninety-three".

Divisors: 1 3 23 69 139 417 3197 9591 108923 326769 2505229 7515687 15140297 45420891 348226831 1044680493