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4312211240 = 235130782483
BaseRepresentation
bin1000000010000011…
…10001111100101000
3102010112012000202102
410001001301330220
532312411224430
61551521352532
7211601122301
oct40101617450
912115160672
104312211240
111913149147
12a04198748
135395066ac
142cc9c57a8
151a3897345
hex101071f28

4312211240 has 32 divisors (see below), whose sum is σ = 9710016480. Its totient is φ = 1723543872.

The previous prime is 4312211161. The next prime is 4312211243. The reversal of 4312211240 is 421122134.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (4312211243) 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, 11039 + ... + 93521.

It is an arithmetic number, because the mean of its divisors is an integer number (303438015).

Almost surely, 24312211240 is an apocalyptic number.

4312211240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4312211240 is an abundant number, since it is smaller than the sum of its proper divisors (5397805240).

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

4312211240 is a wasteful number, since it uses less digits than its factorization.

4312211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83801 (or 83797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4312211240 is about 65667.4290649482. The cubic root of 4312211240 is about 1627.6711872680.

Adding to 4312211240 its reverse (421122134), we get a palindrome (4733333374).

The spelling of 4312211240 in words is "four billion, three hundred twelve million, two hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1307 2614 5228 6535 10456 13070 26140 52280 82483 164966 329932 412415 659864 824830 1649660 3299320 107805281 215610562 431221124 539026405 862442248 1078052810 2156105620 4312211240