Search a number
-
+
1969241439 = 311234163281
BaseRepresentation
bin111010101100000…
…0011110101011111
312002020110211102010
41311120003311133
513013111211224
6523223402303
766541163454
oct16530036537
95066424363
101969241439
11920649270
1246b5b3393
13254c98029
1414976d82b
15b7d38e29
hex75603d5f

1969241439 has 32 divisors (see below), whose sum is σ = 3061836288. Its totient is φ = 1113728000.

The previous prime is 1969241431. The next prime is 1969241473. The reversal of 1969241439 is 9341429691.

It is a happy number.

It is not a de Polignac number, because 1969241439 - 23 = 1969241431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969241431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522 + ... + 62759.

It is an arithmetic number, because the mean of its divisors is an integer number (95682384).

Almost surely, 21969241439 is an apocalyptic number.

1969241439 is a deficient number, since it is larger than the sum of its proper divisors (1092594849).

1969241439 is a wasteful number, since it uses less digits than its factorization.

1969241439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63359.

The product of its digits is 419904, while the sum is 48.

The square root of 1969241439 is about 44376.1359178557. The cubic root of 1969241439 is about 1253.4287599381.

The spelling of 1969241439 in words is "one billion, nine hundred sixty-nine million, two hundred forty-one thousand, four hundred thirty-nine".

Divisors: 1 3 11 23 33 41 69 123 253 451 759 943 1353 2829 10373 31119 63281 189843 696091 1455463 2088273 2594521 4366389 7783563 16010093 28539731 48030279 59673983 85619193 179021949 656413813 1969241439