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240734772 = 22326687077
BaseRepresentation
bin11100101100101…
…01001000110100
3121202222121000200
432112111020310
5443112003042
635515440500
75652132435
oct1626251064
9552877020
10240734772
11113985663
1268756130
133ab4a415
1423d8748c
1516203c4c
hexe595234

240734772 has 18 divisors (see below), whose sum is σ = 608524098. Its totient is φ = 80244912.

The previous prime is 240734761. The next prime is 240734779. The reversal of 240734772 is 277437042.

240734772 is a `hidden beast` number, since 240 + 7 + 347 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128459556 + 112275216 = 11334^2 + 10596^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6687077 = 240734772 / (2 + 4 + 0 + 7 + 3 + 4 + 7 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240734779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3343503 + ... + 3343574.

Almost surely, 2240734772 is an apocalyptic number.

It is an amenable number.

240734772 is an abundant number, since it is smaller than the sum of its proper divisors (367789326).

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

240734772 is a wasteful number, since it uses less digits than its factorization.

240734772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687087 (or 6687082 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 240734772 is about 15515.6299259811. The cubic root of 240734772 is about 622.0800515931.

The spelling of 240734772 in words is "two hundred forty million, seven hundred thirty-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 6687077 13374154 20061231 26748308 40122462 60183693 80244924 120367386 240734772