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245113442 = 2771832971
BaseRepresentation
bin11101001110000…
…10001001100010
3122002020001102122
432213002021202
51000222112232
640153344242
76034300310
oct1647021142
9562201378
10245113442
111163a63a2
126a108082
133ba21452
14247a70b0
15167bb312
hexe9c2262

245113442 has 32 divisors (see below), whose sum is σ = 431391744. Its totient is φ = 102286800.

The previous prime is 245113439. The next prime is 245113469. The reversal of 245113442 is 244311542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81017 + ... + 83987.

It is an arithmetic number, because the mean of its divisors is an integer number (13480992).

Almost surely, 2245113442 is an apocalyptic number.

245113442 is a deficient number, since it is larger than the sum of its proper divisors (186278302).

245113442 is a wasteful number, since it uses less digits than its factorization.

245113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

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

The square root of 245113442 is about 15656.0991948825. The cubic root of 245113442 is about 625.8290370033.

Adding to 245113442 its reverse (244311542), we get a palindrome (489424984).

The spelling of 245113442 in words is "two hundred forty-five million, one hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 7 14 71 83 142 166 497 581 994 1162 2971 5893 5942 11786 20797 41251 41594 82502 210941 246593 421882 493186 1476587 1726151 2953174 3452302 17508103 35016206 122556721 245113442