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352869649 = 1141976561
BaseRepresentation
bin10101000010000…
…101110100010001
3220120222122011021
4111002011310101
51210313312044
655003115441
711513225326
oct2502056421
9816878137
10352869649
11171205210
129a212b81
135814c412
1434c16b4d
1520ea3e84
hex15085d11

352869649 has 8 divisors (see below), whose sum is σ = 385872480. Its totient is φ = 320020800.

The previous prime is 352869641. The next prime is 352869661. The reversal of 352869649 is 946968253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 352869649 - 23 = 352869641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352869596 and 352869605.

It is not an unprimeable number, because it can be changed into a prime (352869641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33672 + ... + 42889.

It is an arithmetic number, because the mean of its divisors is an integer number (48234060).

Almost surely, 2352869649 is an apocalyptic number.

It is an amenable number.

352869649 is a deficient number, since it is larger than the sum of its proper divisors (33002831).

352869649 is a wasteful number, since it uses less digits than its factorization.

352869649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76991.

The product of its digits is 2799360, while the sum is 52.

The square root of 352869649 is about 18784.8249659133. The cubic root of 352869649 is about 706.6506592978.

The spelling of 352869649 in words is "three hundred fifty-two million, eight hundred sixty-nine thousand, six hundred forty-nine".

Divisors: 1 11 419 4609 76561 842171 32079059 352869649