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245341530 = 23257255633
BaseRepresentation
bin11101001111110…
…01110101011010
3122002122122022100
432213321311122
51000301412110
640202304230
76036240300
oct1647716532
9562578270
10245341530
111165417a5
126a1b8076
133baa1205
1424826270
1516813bc0
hexe9f9d5a

245341530 has 72 divisors (see below), whose sum is σ = 742046292. Its totient is φ = 56077056.

The previous prime is 245341519. The next prime is 245341543. The reversal of 245341530 is 35143542.

245341530 is a `hidden beast` number, since 245 + 3 + 415 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 224190729 + 21150801 = 14973^2 + 4599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245341494 and 245341503.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23407 + ... + 32226.

Almost surely, 2245341530 is an apocalyptic number.

245341530 is an abundant number, since it is smaller than the sum of its proper divisors (496704762).

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

245341530 is a wasteful number, since it uses less digits than its factorization.

245341530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660 (or 55650 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 245341530 is about 15663.3818187517. The cubic root of 245341530 is about 626.0230965902.

The spelling of 245341530 in words is "two hundred forty-five million, three hundred forty-one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 441 490 630 735 882 1470 2205 4410 55633 111266 166899 278165 333798 389431 500697 556330 778862 834495 1001394 1168293 1668990 1947155 2336586 2503485 2726017 3504879 3894310 5006970 5452034 5841465 7009758 8178051 11682930 13630085 16356102 17524395 24534153 27260170 35048790 40890255 49068306 81780510 122670765 245341530