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1025250224 = 24297131121
BaseRepresentation
bin111101000111000…
…001001110110000
32122110012002220112
4331013001032300
54044431001344
6245422400452
734256324465
oct7507011660
92573162815
101025250224
114867aa739
12247430128
1313453b24b
149a24166c
156001cc9e
hex3d1c13b0

1025250224 has 40 divisors (see below), whose sum is σ = 2083929120. Its totient is φ = 487961600.

The previous prime is 1025250211. The next prime is 1025250227. The reversal of 1025250224 is 4220525201.

It is a super-2 number, since 2×10252502242 = 2102276043624100352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025250224.

It is not an unprimeable number, because it can be changed into a prime (1025250227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17384 + ... + 48504.

It is an arithmetic number, because the mean of its divisors is an integer number (52098228).

Almost surely, 21025250224 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 1025250224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041964560).

1025250224 is an abundant number, since it is smaller than the sum of its proper divisors (1058678896).

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

1025250224 is a wasteful number, since it uses less digits than its factorization.

1025250224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31229 (or 31223 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1025250224 is about 32019.5287910363. The cubic root of 1025250224 is about 1008.3468771322.

Adding to 1025250224 its reverse (4220525201), we get a palindrome (5245775425).

The spelling of 1025250224 in words is "one billion, twenty-five million, two hundred fifty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 29 58 71 116 142 232 284 464 568 1136 2059 4118 8236 16472 31121 32944 62242 124484 248968 497936 902509 1805018 2209591 3610036 4419182 7220072 8838364 14440144 17676728 35353456 64078139 128156278 256312556 512625112 1025250224