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549104157 = 3372905313
BaseRepresentation
bin100000101110101…
…010101000011101
31102021020101022000
4200232222220131
52111032313112
6130253112513
716415210520
oct4056525035
91367211260
10549104157
11261a56098
12133a88739
13899b8804
1452cd8bb7
15333177dc
hex20baaa1d

549104157 has 16 divisors (see below), whose sum is σ = 929700480. Its totient is φ = 313773696.

The previous prime is 549104141. The next prime is 549104167. The reversal of 549104157 is 751401945.

549104157 is a `hidden beast` number, since 549 + 104 + 1 + 5 + 7 = 666.

It is not a de Polignac number, because 549104157 - 24 = 549104141 is a prime.

It is a super-3 number, since 3×5491041573 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549104167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452468 + ... + 1452845.

It is an arithmetic number, because the mean of its divisors is an integer number (58106280).

Almost surely, 2549104157 is an apocalyptic number.

It is an amenable number.

549104157 is a deficient number, since it is larger than the sum of its proper divisors (380596323).

549104157 is a wasteful number, since it uses less digits than its factorization.

549104157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905329 (or 2905323 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 549104157 is about 23432.9715785258. The cubic root of 549104157 is about 818.8761905453.

The spelling of 549104157 in words is "five hundred forty-nine million, one hundred four thousand, one hundred fifty-seven".

Divisors: 1 3 7 9 21 27 63 189 2905313 8715939 20337191 26147817 61011573 78443451 183034719 549104157