Search a number
-
+
75689244 = 22322102479
BaseRepresentation
bin1001000001011…
…10110100011100
312021102102010100
410200232310130
5123334023434
611302141100
71606230231
oct440566434
9167372110
1075689244
11397a74a4
1221421790
13128b1247
14a0a3788
1569a1699
hex482ed1c

75689244 has 18 divisors (see below), whose sum is σ = 191325680. Its totient is φ = 25229736.

The previous prime is 75689233. The next prime is 75689267. The reversal of 75689244 is 44298657.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 75689244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1051204 + ... + 1051275.

Almost surely, 275689244 is an apocalyptic number.

It is an amenable number.

75689244 is an abundant number, since it is smaller than the sum of its proper divisors (115636436).

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

75689244 is a wasteful number, since it uses less digits than its factorization.

75689244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102489 (or 2102484 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 75689244 is about 8699.9565516156. The cubic root of 75689244 is about 423.0042418635.

It can be divided in two parts, 756 and 89244, that added together give a square (90000 = 3002).

The spelling of 75689244 in words is "seventy-five million, six hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 2102479 4204958 6307437 8409916 12614874 18922311 25229748 37844622 75689244