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242473197 = 3788310253
BaseRepresentation
bin11100111001111…
…01100011101101
3121220020220200210
432130331203231
5444033120242
640021013033
76002662641
oct1634754355
9556226623
10242473197
1111496277a
1269254179
133b308785
14242bac21
1516448d9c
hexe73d8ed

242473197 has 8 divisors (see below), whose sum is σ = 323370144. Its totient is φ = 161612528.

The previous prime is 242473183. The next prime is 242473219. The reversal of 242473197 is 791374242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242473197 - 24 = 242473181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242473157) 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, 18523 + ... + 28775.

It is an arithmetic number, because the mean of its divisors is an integer number (40421268).

Almost surely, 2242473197 is an apocalyptic number.

It is an amenable number.

242473197 is a deficient number, since it is larger than the sum of its proper divisors (80896947).

242473197 is a wasteful number, since it uses less digits than its factorization.

242473197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18139.

The product of its digits is 84672, while the sum is 39.

The square root of 242473197 is about 15571.5508861513. The cubic root of 242473197 is about 623.5738764564.

The spelling of 242473197 in words is "two hundred forty-two million, four hundred seventy-three thousand, one hundred ninety-seven".

Divisors: 1 3 7883 10253 23649 30759 80824399 242473197