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10423140 = 22357132383
BaseRepresentation
bin100111110000…
…101101100100
3201121112212020
4213300231210
510132020030
61011223140
7154411110
oct47605544
921545766
1010423140
11597a072
1235a7ab0
13220c350
141554740
15dad510
hex9f0b64

10423140 has 192 divisors, whose sum is σ = 37933056. Its totient is φ = 2078208.

The previous prime is 10423121. The next prime is 10423187. The reversal of 10423140 is 4132401.

10423140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125539 + ... + 125621.

It is an arithmetic number, because the mean of its divisors is an integer number (197568).

Almost surely, 210423140 is an apocalyptic number.

10423140 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 10423140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18966528).

10423140 is an abundant number, since it is smaller than the sum of its proper divisors (27509916).

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

10423140 is a wasteful number, since it uses less digits than its factorization.

10423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10423140 is about 3228.4888105738. The cubic root of 10423140 is about 218.4403466364.

Adding to 10423140 its reverse (4132401), we get a palindrome (14555541).

The spelling of 10423140 in words is "ten million, four hundred twenty-three thousand, one hundred forty".