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214485765 = 35131099927
BaseRepresentation
bin11001100100011…
…00101100000101
3112221121000011020
430302030230011
5414402021030
633141101353
75213045634
oct1462145405
9487530136
10214485765
1110008736a
125b9b7859
1335589870
14206b351b
1513c6b510
hexcc8cb05

214485765 has 16 divisors (see below), whose sum is σ = 369575808. Its totient is φ = 105592896.

The previous prime is 214485749. The next prime is 214485767. The reversal of 214485765 is 567584412.

It is a happy number.

It is not a de Polignac number, because 214485765 - 24 = 214485749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214485767) 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, 549769 + ... + 550158.

It is an arithmetic number, because the mean of its divisors is an integer number (23098488).

Almost surely, 2214485765 is an apocalyptic number.

It is an amenable number.

214485765 is a deficient number, since it is larger than the sum of its proper divisors (155090043).

214485765 is a wasteful number, since it uses less digits than its factorization.

214485765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099948.

The product of its digits is 268800, while the sum is 42.

The square root of 214485765 is about 14645.3325329267. The cubic root of 214485765 is about 598.5946414043.

The spelling of 214485765 in words is "two hundred fourteen million, four hundred eighty-five thousand, seven hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 1099927 3299781 5499635 14299051 16498905 42897153 71495255 214485765