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70110642 = 2371669301
BaseRepresentation
bin1000010110111…
…00110110110010
311212220222201110
410023130312302
5120422020032
610542414150
71510634130
oct413346662
9155828643
1070110642
1136637188
121b591356
13116a9cb4
149450750
15624d7cc
hex42dcdb2

70110642 has 16 divisors (see below), whose sum is σ = 160252992. Its totient is φ = 20031600.

The previous prime is 70110641. The next prime is 70110707. The reversal of 70110642 is 24601107.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (70110641) 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, 834609 + ... + 834692.

It is an arithmetic number, because the mean of its divisors is an integer number (10015812).

Almost surely, 270110642 is an apocalyptic number.

70110642 is an abundant number, since it is smaller than the sum of its proper divisors (90142350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70110642 is a wasteful number, since it uses less digits than its factorization.

70110642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669313.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70110642 is about 8373.2097788124. The cubic root of 70110642 is about 412.3455524639.

Adding to 70110642 its reverse (24601107), we get a palindrome (94711749).

The spelling of 70110642 in words is "seventy million, one hundred ten thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1669301 3338602 5007903 10015806 11685107 23370214 35055321 70110642