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4242402144 = 253238338461
BaseRepresentation
bin1111110011011101…
…1110101101100000
3101221122211100200100
43330313132231200
532142023332034
61540545222400
7210062552241
oct37467365540
911848740610
104242402144
1118877a8582
129a4931a00
13527c03a36
142c3612cc8
1519c6a8099
hexfcddeb60

4242402144 has 72 divisors (see below), whose sum is σ = 12096145152. Its totient is φ = 1410405120.

The previous prime is 4242402127. The next prime is 4242402149. The reversal of 4242402144 is 4412042424.

4242402144 is a `hidden beast` number, since 4 + 242 + 402 + 14 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242402149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91074 + ... + 129534.

It is an arithmetic number, because the mean of its divisors is an integer number (168002016).

Almost surely, 24242402144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4242402144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6048072576).

4242402144 is an abundant number, since it is smaller than the sum of its proper divisors (7853743008).

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

4242402144 is a wasteful number, since it uses less digits than its factorization.

4242402144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38860 (or 38849 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4242402144 is about 65133.7250892347. The cubic root of 4242402144 is about 1618.8400658801.

Adding to 4242402144 its reverse (4412042424), we get a palindrome (8654444568).

The spelling of 4242402144 in words is "four billion, two hundred forty-two million, four hundred two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 383 766 1149 1532 2298 3064 3447 4596 6128 6894 9192 12256 13788 18384 27576 36768 38461 55152 76922 110304 115383 153844 230766 307688 346149 461532 615376 692298 923064 1230752 1384596 1846128 2769192 3692256 5538384 11076768 14730563 29461126 44191689 58922252 88383378 117844504 132575067 176766756 235689008 265150134 353533512 471378016 530300268 707067024 1060600536 1414134048 2121201072 4242402144