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245430532 = 2261357633
BaseRepresentation
bin11101010000011…
…11100100000100
3122002211011101201
432220033210010
51000312234112
640204232244
76040060624
oct1650174404
9562734351
10245430532
111165a2656
126a23b684
133bb02889
142484a884
1516830257
hexea0f904

245430532 has 6 divisors (see below), whose sum is σ = 429503438. Its totient is φ = 122715264.

The previous prime is 245430517. The next prime is 245430533. The reversal of 245430532 is 235034542.

It can be written as a sum of positive squares in only one way, i.e., 131239936 + 114190596 = 11456^2 + 10686^2 .

It is a super-2 number, since 2×2454305322 = 120472292075606048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245430532.

It is not an unprimeable number, because it can be changed into a prime (245430533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30678813 + ... + 30678820.

Almost surely, 2245430532 is an apocalyptic number.

It is an amenable number.

245430532 is a deficient number, since it is larger than the sum of its proper divisors (184072906).

245430532 is a wasteful number, since it uses less digits than its factorization.

245430532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61357637 (or 61357635 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 245430532 is about 15666.2226461901. Note that the first 3 decimals coincide. The cubic root of 245430532 is about 626.0987877727.

The spelling of 245430532 in words is "two hundred forty-five million, four hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 61357633 122715266 245430532