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834257148 = 22369521429
BaseRepresentation
bin110001101110011…
…100000011111100
32011010210122122220
4301232130003330
53202032212043
6214441005340
726450032404
oct6156340374
92133718586
10834257148
11398a0981a
121b3483850
13103ab87aa
147cb25804
154d392483
hex31b9c0fc

834257148 has 12 divisors (see below), whose sum is σ = 1946600040. Its totient is φ = 278085712.

The previous prime is 834257131. The next prime is 834257159. The reversal of 834257148 is 841752438.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34760703 + ... + 34760726.

It is an arithmetic number, because the mean of its divisors is an integer number (162216670).

Almost surely, 2834257148 is an apocalyptic number.

It is an amenable number.

834257148 is an abundant number, since it is smaller than the sum of its proper divisors (1112342892).

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

834257148 is a wasteful number, since it uses less digits than its factorization.

834257148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69521436 (or 69521434 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 834257148 is about 28883.5099667613. The cubic root of 834257148 is about 941.3836376164.

The spelling of 834257148 in words is "eight hundred thirty-four million, two hundred fifty-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 69521429 139042858 208564287 278085716 417128574 834257148