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242986951 = 41113179293
BaseRepresentation
bin11100111101110…
…10111111000111
3121221020000102201
432132322333013
5444201040301
640040015331
76010232524
oct1636727707
9557200381
10242986951
11115183769
1269461547
133b45857c
14243b214b
15164eb201
hexe7bafc7

242986951 has 16 divisors (see below), whose sum is σ = 253380960. Its totient is φ = 232852480.

The previous prime is 242986949. The next prime is 242986979. The reversal of 242986951 is 159689242.

It is a cyclic number.

It is not a de Polignac number, because 242986951 - 21 = 242986949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242986901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829161 + ... + 829453.

It is an arithmetic number, because the mean of its divisors is an integer number (15836310).

Almost surely, 2242986951 is an apocalyptic number.

242986951 is a deficient number, since it is larger than the sum of its proper divisors (10394009).

242986951 is a wasteful number, since it uses less digits than its factorization.

242986951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its digits is 311040, while the sum is 46.

The square root of 242986951 is about 15588.0387156306. The cubic root of 242986951 is about 624.0139767511.

The spelling of 242986951 in words is "two hundred forty-two million, nine hundred eighty-six thousand, nine hundred fifty-one".

Divisors: 1 41 113 179 293 4633 7339 12013 20227 33109 52447 829307 1357469 2150327 5926511 242986951