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8204697442 = 221123981349
BaseRepresentation
bin1111010010000100…
…11011111101100010
3210011210120211000001
413221002123331202
5113300400304232
63434051050214
7410214530464
oct75102337542
923153524001
108204697442
113530379697
12170b8a096a
13a09a83576
1457b950134
153304816e7
hex1e909bf62

8204697442 has 16 divisors (see below), whose sum is σ = 12417264000. Its totient is φ = 4065773040.

The previous prime is 8204697427. The next prime is 8204697463. The reversal of 8204697442 is 2447964028.

It is a super-2 number, since 2×82046974422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8204697392 and 8204697401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60184 + ... + 141532.

It is an arithmetic number, because the mean of its divisors is an integer number (776079000).

Almost surely, 28204697442 is an apocalyptic number.

8204697442 is a deficient number, since it is larger than the sum of its proper divisors (4212566558).

8204697442 is a wasteful number, since it uses less digits than its factorization.

8204697442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81801.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 8204697442 is about 90579.7849522729. The cubic root of 8204697442 is about 2016.9146639563.

The spelling of 8204697442 in words is "eight billion, two hundred four million, six hundred ninety-seven thousand, four hundred forty-two".

Divisors: 1 2 211 239 422 478 50429 81349 100858 162698 17164639 19442411 34329278 38884822 4102348721 8204697442