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423512244 = 223267717377
BaseRepresentation
bin11001001111100…
…100100010110100
31002111220122120200
4121033210202310
51331404342434
6110005200500
713331536401
oct3117444264
91074818520
10423512244
111a8075021
12b9a00130
136998457c
14403652a8
15272aa199
hex193e48b4

423512244 has 36 divisors (see below), whose sum is σ = 1072187844. Its totient is φ = 140954112.

The previous prime is 423512239. The next prime is 423512303. The reversal of 423512244 is 442215324.

It can be written as a sum of positive squares in 2 ways, for example, as 247684644 + 175827600 = 15738^2 + 13260^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15684 + ... + 33060.

Almost surely, 2423512244 is an apocalyptic number.

It is an amenable number.

423512244 is an abundant number, since it is smaller than the sum of its proper divisors (648675600).

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

423512244 is a wasteful number, since it uses less digits than its factorization.

423512244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18064 (or 18059 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 423512244 is about 20579.4131111652. The cubic root of 423512244 is about 750.9689662667.

Adding to 423512244 its reverse (442215324), we get a palindrome (865727568).

The spelling of 423512244 in words is "four hundred twenty-three million, five hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 677 1354 2031 2708 4062 6093 8124 12186 17377 24372 34754 52131 69508 104262 156393 208524 312786 625572 11764229 23528458 35292687 47056916 70585374 105878061 141170748 211756122 423512244