242470100 has 36 divisors (see below), whose sum is σ = 528395868. Its totient is φ = 96576000.

The previous prime is 242470097. The next prime is 242470103. The reversal of 242470100 is 1074242.

It is an interprime number because it is at equal distance from previous prime (242470097) and next prime (242470103).

It can be written as a sum of positive squares in 6 ways, for example, as 169744 + 242300356 = 412^2 + 15566^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242470103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19070 + ... + 29130.

It is an arithmetic number, because the mean of its divisors is an integer number (14677663).

Almost surely, 2^242470100 is an apocalyptic number.

242470100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242470100 is an abundant number, since it is smaller than the sum of its proper divisors (285925768).

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

242470100 is a wasteful number, since it uses less digits than its factorization.

242470100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316 (or 10309 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 242470100 is about 15571.4514416608. The cubic root of 242470100 is about 623.5712215698.

The spelling of 242470100 in words is "two hundred forty-two million, four hundred seventy thousand, one hundred".