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4250642420 = 2252333127917
BaseRepresentation
bin1111110101011011…
…1010011111110100
3101222020100000012202
43331112322133310
532201131024140
61541442004032
7210222602333
oct37526723764
911866300182
104250642420
111891416622
129a7646618
1352982a63b
142c4759d1a
1519d284915
hexfd5ba7f4

4250642420 has 48 divisors (see below), whose sum is σ = 9342926208. Its totient is φ = 1621361280.

The previous prime is 4250642411. The next prime is 4250642423. The reversal of 4250642420 is 242460524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250642423) 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, 138302 + ... + 166218.

It is an arithmetic number, because the mean of its divisors is an integer number (194644296).

Almost surely, 24250642420 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 4250642420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4671463104).

4250642420 is an abundant number, since it is smaller than the sum of its proper divisors (5092283788).

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

4250642420 is a wasteful number, since it uses less digits than its factorization.

4250642420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28280 (or 28278 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 4250642420 is about 65196.9510023283. The cubic root of 4250642420 is about 1619.8875118764.

The spelling of 4250642420 in words is "four billion, two hundred fifty million, six hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 331 460 662 1324 1655 3310 6620 7613 15226 27917 30452 38065 55834 76130 111668 139585 152260 279170 558340 642091 1284182 2568364 3210455 6420910 9240527 12841820 18481054 36962108 46202635 92405270 184810540 212532121 425064242 850128484 1062660605 2125321210 4250642420