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164511430 = 25107153749
BaseRepresentation
bin10011100111000…
…11111011000110
3102110120001020221
421303203323012
5314103331210
624154014554
74035216106
oct1163437306
9373501227
10164511430
1184953966
124711745a
1328110055
1417bc5206
15e6991da
hex9ce3ec6

164511430 has 16 divisors (see below), whose sum is σ = 298890000. Its totient is φ = 65189152.

The previous prime is 164511419. The next prime is 164511437. The reversal of 164511430 is 34115461.

It is a junction number, because it is equal to n+sod(n) for n = 164511395 and 164511404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164511437) 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, 75805 + ... + 77944.

It is an arithmetic number, because the mean of its divisors is an integer number (18680625).

Almost surely, 2164511430 is an apocalyptic number.

164511430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164511430 is a deficient number, since it is larger than the sum of its proper divisors (134378570).

164511430 is a wasteful number, since it uses less digits than its factorization.

164511430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153863.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164511430 is about 12826.2009184326. The cubic root of 164511430 is about 547.9387640918.

Adding to 164511430 its reverse (34115461), we get a palindrome (198626891).

The spelling of 164511430 in words is "one hundred sixty-four million, five hundred eleven thousand, four hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 153749 307498 768745 1537490 16451143 32902286 82255715 164511430