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202430074 = 27211792377
BaseRepresentation
bin11000001000011…
…01011001111010
3112002220111212011
430010031121322
5403310230244
632030440134
75005425100
oct1404153172
9462814764
10202430074
11a42a2790
125796304a
1332c28412
141cc55c70
1512b89434
hexc10d67a

202430074 has 48 divisors (see below), whose sum is σ = 390372480. Its totient is φ = 77837760.

The previous prime is 202430057. The next prime is 202430077. The reversal of 202430074 is 470034202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (202430077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83974 + ... + 86350.

It is an arithmetic number, because the mean of its divisors is an integer number (8132760).

Almost surely, 2202430074 is an apocalyptic number.

202430074 is a deficient number, since it is larger than the sum of its proper divisors (187942406).

202430074 is a wasteful number, since it uses less digits than its factorization.

202430074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 202430074 is about 14227.7923094203. The cubic root of 202430074 is about 587.1625455455.

Adding to 202430074 its reverse (470034202), we get a palindrome (672464276).

The spelling of 202430074 in words is "two hundred two million, four hundred thirty thousand, seventy-four".

Divisors: 1 2 7 11 14 22 49 77 79 98 154 158 539 553 869 1078 1106 1738 2377 3871 4754 6083 7742 12166 16639 26147 33278 42581 52294 85162 116473 183029 187783 232946 366058 375566 1281203 1314481 2065613 2562406 2628962 4131226 9201367 14459291 18402734 28918582 101215037 202430074