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245020532 = 2261255133
BaseRepresentation
bin11101001101010…
…11011101110100
3122002001022222112
432212223131310
51000211124112
640151350152
76033432401
oct1646533564
9562038875
10245020532
11116342609
126a082358
133b9bb083
14247812a8
151679da22
hexe9ab774

245020532 has 6 divisors (see below), whose sum is σ = 428785938. Its totient is φ = 122510264.

The previous prime is 245020519. The next prime is 245020543. The reversal of 245020532 is 235020542.

It can be written as a sum of positive squares in only one way, i.e., 191379556 + 53640976 = 13834^2 + 7324^2 .

It is a super-2 number, since 2×2450205322 = 120070122203126048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245020498 and 245020507.

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 as a sum of consecutive naturals, namely, 30627563 + ... + 30627570.

It is an arithmetic number, because the mean of its divisors is an integer number (71464323).

Almost surely, 2245020532 is an apocalyptic number.

It is an amenable number.

245020532 is a deficient number, since it is larger than the sum of its proper divisors (183765406).

245020532 is a wasteful number, since it uses less digits than its factorization.

245020532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61255137 (or 61255135 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 245020532 is about 15653.1316994396. The cubic root of 245020532 is about 625.7499537245.

The spelling of 245020532 in words is "two hundred forty-five million, twenty thousand, five hundred thirty-two".

Divisors: 1 2 4 61255133 122510266 245020532