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70170401 = 72192329113
BaseRepresentation
bin1000010111010…
…11011100100001
311220001000200202
410023223130201
5120430423101
610543554545
71511303300
oct413533441
9156030622
1070170401
1136678074
121b5bba55
13116cb262
149468437
15626136b
hex42eb721

70170401 has 48 divisors (see below), whose sum is σ = 93571200. Its totient is φ = 52157952.

The previous prime is 70170379. The next prime is 70170413. The reversal of 70170401 is 10407107.

It is not a de Polignac number, because 70170401 - 214 = 70154017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70170431) 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 47 ways as a sum of consecutive naturals, for example, 620921 + ... + 621033.

It is an arithmetic number, because the mean of its divisors is an integer number (1949400).

Almost surely, 270170401 is an apocalyptic number.

It is an amenable number.

70170401 is a deficient number, since it is larger than the sum of its proper divisors (23400799).

70170401 is a wasteful number, since it uses less digits than its factorization.

70170401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 70170401 is about 8376.7774830182. Note that the first 3 decimals coincide. The cubic root of 70170401 is about 412.4626738187.

Adding to 70170401 its reverse (10407107), we get a palindrome (80577508).

The spelling of 70170401 in words is "seventy million, one hundred seventy thousand, four hundred one".

Divisors: 1 7 19 23 29 49 113 133 161 203 437 551 667 791 931 1127 1421 2147 2599 3059 3277 3857 4669 5537 12673 15029 18193 21413 22939 26999 32683 49381 62263 75371 88711 105203 127351 160573 345667 435841 527597 620977 1432049 2419669 3050887 3693179 10024343 70170401