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230246003440 = 2452999243967
BaseRepresentation
bin1101011001101110111…
…0110011001011110000
3211000022020110212011001
43112123232303023300
512233020434102230
6253435030531344
722430465511025
oct3263356631360
9730266425131
10230246003440
1189712959262
1238758b06b54
131893465782b
14b20308554c
155ec89930ca
hex359bbb32f0

230246003440 has 40 divisors (see below), whose sum is σ = 553781341440. Its totient is φ = 88922593536.

The previous prime is 230246003437. The next prime is 230246003443. The reversal of 230246003440 is 44300642032.

It is an interprime number because it is at equal distance from previous prime (230246003437) and next prime (230246003443).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 230246003399 and 230246003408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230246003443) 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, 49619664 + ... + 49624303.

It is an arithmetic number, because the mean of its divisors is an integer number (13844533536).

Almost surely, 2230246003440 is an apocalyptic number.

230246003440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230246003440 is an abundant number, since it is smaller than the sum of its proper divisors (323535338000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230246003440 is a wasteful number, since it uses less digits than its factorization.

230246003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99244009 (or 99244003 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 230246003440 its reverse (44300642032), we get a palindrome (274546645472).

The spelling of 230246003440 in words is "two hundred thirty billion, two hundred forty-six million, three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 99243967 198487934 396975868 496219835 793951736 992439670 1587903472 1984879340 2878075043 3969758680 5756150086 7939517360 11512300172 14390375215 23024600344 28780750430 46049200688 57561500860 115123001720 230246003440