Search a number
-
+
3620125440 = 28335312109
BaseRepresentation
bin1101011111000110…
…1011101100000000
3100100021220102112000
43113301223230000
524403223003230
61355115504000
7155465362401
oct32761535400
910307812460
103620125440
111598514908
12850458000
13459008679
14264b0b9a8
15162c39b60
hexd7c6bb00

3620125440 has 432 divisors, whose sum is σ = 13395967200. Its totient is φ = 925655040.

The previous prime is 3620125429. The next prime is 3620125451. The reversal of 3620125440 is 445210263.

3620125440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3620125429) and next prime (3620125451).

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33212106 + ... + 33212214.

Almost surely, 23620125440 is an apocalyptic number.

3620125440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6697983600).

3620125440 is an abundant number, since it is smaller than the sum of its proper divisors (9775841760).

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

3620125440 is a wasteful number, since it uses less digits than its factorization.

3620125440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3620125440 is about 60167.4782586074. The cubic root of 3620125440 is about 1535.4695433907.

The spelling of 3620125440 in words is "three billion, six hundred twenty million, one hundred twenty-five thousand, four hundred forty".