Search a number
-
+
1394874966 = 23881263881
BaseRepresentation
bin101001100100100…
…0001101001010110
310121012200222201210
41103021001221112
510324041444331
6350225002250
746365145602
oct12311015126
93535628653
101394874966
11656409231
1232b183386
13192ca5b04
14d337a502
15826d1446
hex53241a56

1394874966 has 16 divisors (see below), whose sum is σ = 2792927088. Its totient is φ = 464428800.

The previous prime is 1394874959. The next prime is 1394874967. The reversal of 1394874966 is 6694784931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394874967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126655 + ... + 137226.

It is an arithmetic number, because the mean of its divisors is an integer number (174557943).

Almost surely, 21394874966 is an apocalyptic number.

1394874966 is an abundant number, since it is smaller than the sum of its proper divisors (1398052122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394874966 is a wasteful number, since it uses less digits than its factorization.

1394874966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264767.

The product of its digits is 7838208, while the sum is 57.

The square root of 1394874966 is about 37348.0249276987. The cubic root of 1394874966 is about 1117.3221970368.

It can be divided in two parts, 139487 and 4966, that added together give a triangular number (144453 = T537).

The spelling of 1394874966 in words is "one billion, three hundred ninety-four million, eight hundred seventy-four thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 881 1762 2643 5286 263881 527762 791643 1583286 232479161 464958322 697437483 1394874966