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714550644 = 223219848629
BaseRepresentation
bin101010100101110…
…010110101110100
31211210112221012200
4222211302311310
52430411110034
6154523144500
723464403013
oct5245626564
91753487180
10714550644
11337388525
1217b375130
13b5065342
146ac84a7a
1542ae8a99
hex2a972d74

714550644 has 18 divisors (see below), whose sum is σ = 1806225330. Its totient is φ = 238183536.

The previous prime is 714550643. The next prime is 714550663. The reversal of 714550644 is 446055417.

714550644 is a `hidden beast` number, since 7 + 1 + 4 + 5 + 5 + 0 + 644 = 666.

It can be written as a sum of positive squares in only one way, i.e., 706496400 + 8054244 = 26580^2 + 2838^2 .

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: 19848629 = 714550644 / (7 + 1 + 4 + 5 + 5 + 0 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 714550599 and 714550608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (714550643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9924279 + ... + 9924350.

Almost surely, 2714550644 is an apocalyptic number.

It is an amenable number.

714550644 is an abundant number, since it is smaller than the sum of its proper divisors (1091674686).

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

714550644 is a wasteful number, since it uses less digits than its factorization.

714550644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19848639 (or 19848634 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 714550644 is about 26731.0801128574. The cubic root of 714550644 is about 894.0140381862.

The spelling of 714550644 in words is "seven hundred fourteen million, five hundred fifty thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 19848629 39697258 59545887 79394516 119091774 178637661 238183548 357275322 714550644