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802442425 = 5232097697
BaseRepresentation
bin101111110101000…
…100110010111001
32001220221022001211
4233311010302321
53120411124200
6211343043121
725612435201
oct5765046271
92056838054
10802442425
11381a59964
121a48a04a1
13ca329805
1478803401
154a6aaaba
hex2fd44cb9

802442425 has 6 divisors (see below), whose sum is σ = 995028638. Its totient is φ = 641953920.

The previous prime is 802442387. The next prime is 802442437. The reversal of 802442425 is 524244208.

It can be written as a sum of positive squares in 3 ways, for example, as 3136441 + 799305984 = 1771^2 + 28272^2 .

It is a de Polignac number, because none of the positive numbers 2k-802442425 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 16048824 + ... + 16048873.

Almost surely, 2802442425 is an apocalyptic number.

It is an amenable number.

802442425 is a deficient number, since it is larger than the sum of its proper divisors (192586213).

802442425 is a wasteful number, since it uses less digits than its factorization.

802442425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32097707 (or 32097702 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 802442425 is about 28327.4147249621. The cubic root of 802442425 is about 929.2615346394.

The spelling of 802442425 in words is "eight hundred two million, four hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 32097697 160488485 802442425