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70101080 = 2357250361
BaseRepresentation
bin1000010110110…
…10100001011000
311212220111121022
410023122201120
5120421213310
610542302012
71510564220
oct413324130
9155814538
1070101080
113662aa85
121b587908
13116a583a
14944b080
15624aa55
hex42da858

70101080 has 32 divisors (see below), whose sum is σ = 180260640. Its totient is φ = 24034560.

The previous prime is 70101067. The next prime is 70101121. The reversal of 70101080 is 8010107.

It is a super-2 number, since 2×701010802 = 9828322834332800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124901 + ... + 125460.

It is an arithmetic number, because the mean of its divisors is an integer number (5633145).

Almost surely, 270101080 is an apocalyptic number.

70101080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70101080 is an abundant number, since it is smaller than the sum of its proper divisors (110159560).

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

70101080 is a wasteful number, since it uses less digits than its factorization.

70101080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250379 (or 250375 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 70101080 is about 8372.6387716179. The cubic root of 70101080 is about 412.3268057738.

Adding to 70101080 its reverse (8010107), we get a palindrome (78111187).

It can be divided in two parts, 70 and 101080, that multiplied together give a square (7075600 = 26602).

The spelling of 70101080 in words is "seventy million, one hundred one thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 250361 500722 1001444 1251805 1752527 2002888 2503610 3505054 5007220 7010108 8762635 10014440 14020216 17525270 35050540 70101080