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70840101 = 3200311789
BaseRepresentation
bin1000011100011…
…10111100100101
311221022001100110
410032032330211
5121113340401
611010203233
71520062623
oct416167445
9157261313
1070840101
1136a95242
121b883519
13118a4027
1495a0513
1563449d6
hex438ef25

70840101 has 8 divisors (see below), whose sum is σ = 94508640. Its totient is φ = 47199152.

The previous prime is 70840073. The next prime is 70840109. The reversal of 70840101 is 10104807.

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

It is a cyclic number.

It is not a de Polignac number, because 70840101 - 219 = 70315813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70840109) 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, 115 + ... + 11903.

It is an arithmetic number, because the mean of its divisors is an integer number (11813580).

Almost surely, 270840101 is an apocalyptic number.

It is an amenable number.

70840101 is a deficient number, since it is larger than the sum of its proper divisors (23668539).

70840101 is a wasteful number, since it uses less digits than its factorization.

70840101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 70840101 is about 8416.6561650100. The cubic root of 70840101 is about 413.7706903001.

Adding to 70840101 its reverse (10104807), we get a palindrome (80944908).

The spelling of 70840101 in words is "seventy million, eight hundred forty thousand, one hundred one".

Divisors: 1 3 2003 6009 11789 35367 23613367 70840101