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69925740 = 22354327103
BaseRepresentation
bin1000010101011…
…11101101101100
311212120121002020
410022233231230
5120400110430
610534430140
71506234063
oct412575554
9155517066
1069925740
1136520275
121b502350
1311643aa1
1494031da
156213b10
hex42afb6c

69925740 has 48 divisors (see below), whose sum is σ = 200352768. Its totient is φ = 18212544.

The previous prime is 69925733. The next prime is 69925747. The reversal of 69925740 is 4752996.

It is an interprime number because it is at equal distance from previous prime (69925733) and next prime (69925747).

It is a super-2 number, since 2×699257402 = 9779218229095200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69925692 and 69925701.

It is not an unprimeable number, because it can be changed into a prime (69925747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10972 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (4174016).

Almost surely, 269925740 is an apocalyptic number.

69925740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69925740 is an abundant number, since it is smaller than the sum of its proper divisors (130427028).

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

69925740 is a wasteful number, since it uses less digits than its factorization.

69925740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27158 (or 27156 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 69925740 is about 8362.1612038994. The cubic root of 69925740 is about 411.9827419170.

The spelling of 69925740 in words is "sixty-nine million, nine hundred twenty-five thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 27103 54206 81309 108412 135515 162618 271030 325236 406545 542060 813090 1165429 1626180 2330858 3496287 4661716 5827145 6992574 11654290 13985148 17481435 23308580 34962870 69925740