102286470 has 128 divisors (see below), whose sum is σ = 292336128. Its totient is φ = 22579200.

The previous prime is 102286469. The next prime is 102286477. The reversal of 102286470 is 74682201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102286477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 484665 + ... + 484875.

It is an arithmetic number, because the mean of its divisors is an integer number (2283876).

Almost surely, 2^102286470 is an apocalyptic number.

102286470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102286470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146168064).

102286470 is an abundant number, since it is smaller than the sum of its proper divisors (190049658).

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

102286470 is a wasteful number, since it uses less digits than its factorization.

102286470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 102286470 is about 10113.6773727463. The cubic root of 102286470 is about 467.6698763999.

The spelling of 102286470 in words is "one hundred two million, two hundred eighty-six thousand, four hundred seventy".