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654284052 = 2232137132661
BaseRepresentation
bin100110111111111…
…001010100010100
31200121011001222200
4212333321110110
52314444042202
6144531324500
722133215452
oct4677712424
91617131880
10654284052
11306365324
12163150730
13a5723c36
1462c779d2
153c691e1c
hex26ff9514

654284052 has 36 divisors (see below), whose sum is σ = 1665969396. Its totient is φ = 216501120.

The previous prime is 654284041. The next prime is 654284063. The reversal of 654284052 is 250482456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (654284041) and next prime (654284063).

It can be written as a sum of positive squares in 2 ways, for example, as 202891536 + 451392516 = 14244^2 + 21246^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 654283998 and 654284016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61399 + ... + 71262.

Almost surely, 2654284052 is an apocalyptic number.

It is an amenable number.

654284052 is an abundant number, since it is smaller than the sum of its proper divisors (1011685344).

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

654284052 is a wasteful number, since it uses less digits than its factorization.

654284052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132808 (or 132803 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 654284052 is about 25578.9767582677. The cubic root of 654284052 is about 868.1380233839.

The spelling of 654284052 in words is "six hundred fifty-four million, two hundred eighty-four thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 137 274 411 548 822 1233 1644 2466 4932 132661 265322 397983 530644 795966 1193949 1591932 2387898 4775796 18174557 36349114 54523671 72698228 109047342 163571013 218094684 327142026 654284052