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834712494 = 237117125447
BaseRepresentation
bin110001110000001…
…011001110101110
32011011122210021120
4301300023032232
53202141244434
6214454441410
726453640060
oct6160131656
92134583246
10834712494
1139919a940
121b3663266
13103c17b25
147cc03730
154d432349
hex31c0b3ae

834712494 has 64 divisors (see below), whose sum is σ = 2110758912. Its totient is φ = 213746400.

The previous prime is 834712477. The next prime is 834712513. The reversal of 834712494 is 494217438.

834712494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20079 + ... + 45525.

It is an arithmetic number, because the mean of its divisors is an integer number (32980608).

Almost surely, 2834712494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834712494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055379456).

834712494 is an abundant number, since it is smaller than the sum of its proper divisors (1276046418).

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

834712494 is a wasteful number, since it uses less digits than its factorization.

834712494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541.

The product of its digits is 193536, while the sum is 42.

The square root of 834712494 is about 28891.3913475970. The cubic root of 834712494 is about 941.5548787061.

The spelling of 834712494 in words is "eight hundred thirty-four million, seven hundred twelve thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 71 77 142 154 213 231 426 462 497 781 994 1491 1562 2343 2982 4686 5467 10934 16401 25447 32802 50894 76341 152682 178129 279917 356258 534387 559834 839751 1068774 1679502 1806737 1959419 3613474 3918838 5420211 5878257 10840422 11756514 12647159 19874107 25294318 37941477 39748214 59622321 75882954 119244642 139118749 278237498 417356247 834712494