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4025102240 = 255171479817
BaseRepresentation
bin1110111111101010…
…0010111110100000
3101101111221101020202
43233322202332200
531220411232430
61503223524332
7201513542645
oct35772427640
911344841222
104025102240
111786079985
12943bb96a8
134c1ba0303
142a2809dcc
15188582d45
hexefea2fa0

4025102240 has 48 divisors (see below), whose sum is σ = 10068681672. Its totient is φ = 1515331584.

The previous prime is 4025102171. The next prime is 4025102297. The reversal of 4025102240 is 422015204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3081138064 + 943964176 = 55508^2 + 30724^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737189 + ... + 742628.

Almost surely, 24025102240 is an apocalyptic number.

4025102240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4025102240 is an abundant number, since it is smaller than the sum of its proper divisors (6043579432).

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

4025102240 is a wasteful number, since it uses less digits than its factorization.

4025102240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479849 (or 1479841 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4025102240 is about 63443.6934612102. The cubic root of 4025102240 is about 1590.7147400373.

Adding to 4025102240 its reverse (422015204), we get a palindrome (4447117444).

The spelling of 4025102240 in words is "four billion, twenty-five million, one hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 1479817 2959634 5919268 7399085 11838536 14798170 23677072 25156889 29596340 47354144 50313778 59192680 100627556 118385360 125784445 201255112 236770720 251568890 402510224 503137780 805020448 1006275560 2012551120 4025102240