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245214134 = 21147237151
BaseRepresentation
bin11101001110110…
…10101110110110
3122002102011112222
432213122232312
51000233323014
640155442342
76035200004
oct1647325666
9562364488
10245214134
11116465010
126a1563b2
133ba58229
14247d1a74
15167db08e
hexe9dabb6

245214134 has 16 divisors (see below), whose sum is σ = 409798656. Its totient is φ = 109089000.

The previous prime is 245214131. The next prime is 245214149. The reversal of 245214134 is 431412542.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245214131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117542 + ... + 119609.

It is an arithmetic number, because the mean of its divisors is an integer number (25612416).

Almost surely, 2245214134 is an apocalyptic number.

245214134 is a deficient number, since it is larger than the sum of its proper divisors (164584522).

245214134 is a wasteful number, since it uses less digits than its factorization.

245214134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237211.

The product of its digits is 3840, while the sum is 26.

The square root of 245214134 is about 15659.3146082452. The cubic root of 245214134 is about 625.9147216152.

Adding to 245214134 its reverse (431412542), we get a palindrome (676626676).

The spelling of 245214134 in words is "two hundred forty-five million, two hundred fourteen thousand, one hundred thirty-four".

Divisors: 1 2 11 22 47 94 517 1034 237151 474302 2608661 5217322 11146097 22292194 122607067 245214134