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70425500 = 2253831697
BaseRepresentation
bin1000011001010…
…01101110011100
311220111222121212
410030221232130
5121012104000
610553243552
71513415105
oct414515634
9156458555
1070425500
11368317a2
121b7035b8
131178a3c2
1494d33ac
1562b1c35
hex4329b9c

70425500 has 48 divisors (see below), whose sum is σ = 155754144. Its totient is φ = 27814400.

The previous prime is 70425497. The next prime is 70425559. The reversal of 70425500 is 552407.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40652 + ... + 42348.

It is an arithmetic number, because the mean of its divisors is an integer number (3244878).

Almost surely, 270425500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70425500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77877072).

70425500 is an abundant number, since it is smaller than the sum of its proper divisors (85328644).

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

70425500 is a wasteful number, since it uses less digits than its factorization.

70425500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 70425500 is about 8391.9902287836. The cubic root of 70425500 is about 412.9618946018.

Adding to 70425500 its reverse (552407), we get a palindrome (70977907).

The spelling of 70425500 in words is "seventy million, four hundred twenty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 125 166 250 332 415 500 830 1660 1697 2075 3394 4150 6788 8300 8485 10375 16970 20750 33940 41500 42425 84850 140851 169700 212125 281702 424250 563404 704255 848500 1408510 2817020 3521275 7042550 14085100 17606375 35212750 70425500