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10265420 = 22511291609
BaseRepresentation
bin100111001010…
…001101001100
3201022112111202
4213022031030
510111443140
61004005032
7153153224
oct47121514
921275452
1010265420
115881620
123530778
132185619
141513084
15d7b915
hex9ca34c

10265420 has 48 divisors (see below), whose sum is σ = 24343200. Its totient is φ = 3601920.

The previous prime is 10265389. The next prime is 10265441. The reversal of 10265420 is 2456201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10265392 and 10265401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5576 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (507150).

Almost surely, 210265420 is an apocalyptic number.

10265420 is a gapful number since it is divisible by the number (10) 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 10265420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12171600).

10265420 is an abundant number, since it is smaller than the sum of its proper divisors (14077780).

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

10265420 is a wasteful number, since it uses less digits than its factorization.

10265420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10265420 is about 3203.9694130875. The cubic root of 10265420 is about 217.3329496357.

It can be divided in two parts, 1026 and 5420, that added together give a palindrome (6446).

The spelling of 10265420 in words is "ten million, two hundred sixty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 1609 3190 3218 6380 6436 8045 16090 17699 32180 35398 46661 70796 88495 93322 176990 186644 233305 353980 466610 513271 933220 1026542 2053084 2566355 5132710 10265420