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164429470 = 2516442947
BaseRepresentation
bin10011100110011…
…11111010011110
3102110101212211101
421303033322132
5314043220340
624152143314
74034425132
oct1163177236
9373355741
10164429470
11848a8327
1247097b3a
13280b195a
1417ba33c2
15e67ec9a
hex9ccfe9e

164429470 has 8 divisors (see below), whose sum is σ = 295973064. Its totient is φ = 65771784.

The previous prime is 164429467. The next prime is 164429471. The reversal of 164429470 is 74924461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1644294703 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164429471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8221464 + ... + 8221483.

It is an arithmetic number, because the mean of its divisors is an integer number (36996633).

Almost surely, 2164429470 is an apocalyptic number.

164429470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164429470 is a deficient number, since it is larger than the sum of its proper divisors (131543594).

164429470 is a wasteful number, since it uses less digits than its factorization.

164429470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442954.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 164429470 is about 12823.0054979322. The cubic root of 164429470 is about 547.8477541620.

The spelling of 164429470 in words is "one hundred sixty-four million, four hundred twenty-nine thousand, four hundred seventy".

Divisors: 1 2 5 10 16442947 32885894 82214735 164429470