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4689215772 = 223390767981
BaseRepresentation
bin1000101110111111…
…11100000100011100
3110002210120211202020
410113133330010130
534100414401042
62053150100140
7224126451003
oct42737740434
913083524666
104689215772
111a96a3823a
12aaa4aa650
135996562b7
14326ac1c3a
151c6a173ec
hex1177fc11c

4689215772 has 12 divisors (see below), whose sum is σ = 10941503496. Its totient is φ = 1563071920.

The previous prime is 4689215771. The next prime is 4689215777. The reversal of 4689215772 is 2775129864.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×46892157723 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4689215771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195383979 + ... + 195384002.

It is an arithmetic number, because the mean of its divisors is an integer number (911791958).

Almost surely, 24689215772 is an apocalyptic number.

It is an amenable number.

4689215772 is an abundant number, since it is smaller than the sum of its proper divisors (6252287724).

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

4689215772 is a wasteful number, since it uses less digits than its factorization.

4689215772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390767988 (or 390767986 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 4689215772 is about 68477.8487687807. The cubic root of 4689215772 is about 1673.7865448409.

The spelling of 4689215772 in words is "four billion, six hundred eighty-nine million, two hundred fifteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 390767981 781535962 1172303943 1563071924 2344607886 4689215772