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4420990236 = 22313130721683
BaseRepresentation
bin1000001111000001…
…01111010100011100
3102102002212120111010
410013200233110130
533023233141421
62010405055220
7214361540235
oct40740572434
912362776433
104420990236
111969596443
12a346b7510
13555c02070
142dd22008c
151ad1d3076
hex10782f51c

4420990236 has 48 divisors (see below), whose sum is σ = 11118167424. Its totient is φ = 1359201216.

The previous prime is 4420990219. The next prime is 4420990237. The reversal of 4420990236 is 6320990244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 4420990194 and 4420990203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420990237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193051 + ... + 214733.

It is an arithmetic number, because the mean of its divisors is an integer number (231628488).

Almost surely, 24420990236 is an apocalyptic number.

It is an amenable number.

4420990236 is an abundant number, since it is smaller than the sum of its proper divisors (6697177188).

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

4420990236 is a wasteful number, since it uses less digits than its factorization.

4420990236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23010 (or 23008 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 4420990236 is about 66490.5274155650. The cubic root of 4420990236 is about 1641.2441278297.

The spelling of 4420990236 in words is "four billion, four hundred twenty million, nine hundred ninety thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1307 2614 3921 5228 7842 15684 16991 21683 33982 43366 50973 65049 67964 86732 101946 130098 203892 260196 281879 563758 845637 1127516 1691274 3382548 28339681 56679362 85019043 113358724 170038086 340076172 368415853 736831706 1105247559 1473663412 2210495118 4420990236