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2985489256 = 234728328057
BaseRepresentation
bin1011000111110010…
…1111001101101000
321201001201120100011
42301330233031220
522103241124011
61212125221304
7133661145211
oct26174571550
97631646304
102985489256
1112a225a2a2
126b3a01834
133876a37b9
1420470a408
15127179621
hexb1f2f368

2985489256 has 32 divisors (see below), whose sum is σ = 5737299840. Its totient is φ = 1455769728.

The previous prime is 2985489229. The next prime is 2985489257. The reversal of 2985489256 is 6529845892.

It is a self number, because there is not a number n which added to its sum of digits gives 2985489256.

It is not an unprimeable number, because it can be changed into a prime (2985489257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92380 + ... + 120436.

It is an arithmetic number, because the mean of its divisors is an integer number (179290620).

Almost surely, 22985489256 is an apocalyptic number.

It is an amenable number.

2985489256 is a deficient number, since it is larger than the sum of its proper divisors (2751810584).

2985489256 is a wasteful number, since it uses less digits than its factorization.

2985489256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28393 (or 28389 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The square root of 2985489256 is about 54639.6308186649. The cubic root of 2985489256 is about 1439.9204650002.

The spelling of 2985489256 in words is "two billion, nine hundred eighty-five million, four hundred eighty-nine thousand, two hundred fifty-six".

Divisors: 1 2 4 8 47 94 188 283 376 566 1132 2264 13301 26602 28057 53204 56114 106408 112228 224456 1318679 2637358 5274716 7940131 10549432 15880262 31760524 63521048 373186157 746372314 1492744628 2985489256