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1392949101 = 33712549091
BaseRepresentation
bin101001100000110…
…1011011101101101
310121002002010221110
41103001223131231
510323043332401
6350115422233
746342605045
oct12301533555
93532063843
101392949101
11655313305
1232a5b4979
1319278034b
14d2dd8725
15824509d6
hex5306b76d

1392949101 has 8 divisors (see below), whose sum is σ = 1907461984. Its totient is φ = 903534480.

The previous prime is 1392949099. The next prime is 1392949139. The reversal of 1392949101 is 1019492931.

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

It is not a de Polignac number, because 1392949101 - 21 = 1392949099 is a prime.

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 1392949101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392949001) 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, 6274435 + ... + 6274656.

It is an arithmetic number, because the mean of its divisors is an integer number (238432748).

Almost surely, 21392949101 is an apocalyptic number.

It is an amenable number.

1392949101 is a deficient number, since it is larger than the sum of its proper divisors (514512883).

1392949101 is a wasteful number, since it uses less digits than its factorization.

1392949101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549131.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1392949101 is about 37322.2333334971. The cubic root of 1392949101 is about 1116.8077416576.

The spelling of 1392949101 in words is "one billion, three hundred ninety-two million, nine hundred forty-nine thousand, one hundred one".

Divisors: 1 3 37 111 12549091 37647273 464316367 1392949101