Search a number
-
+
70429500 = 2234533747
BaseRepresentation
bin1000011001010…
…10101100111100
311220112012010000
410030222230330
5121012221000
610553314300
71513432551
oct414525474
9156465100
1070429500
11368347a9
121b705990
131178c17b
1494d4a28
1562b3000
hex432ab3c

70429500 has 240 divisors, whose sum is σ = 241008768. Its totient is φ = 17884800.

The previous prime is 70429481. The next prime is 70429553. The reversal of 70429500 is 592407.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 79 ways as a sum of consecutive naturals, for example, 1498477 + ... + 1498523.

Almost surely, 270429500 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 70429500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120504384).

70429500 is an abundant number, since it is smaller than the sum of its proper divisors (170579268).

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

70429500 is a wasteful number, since it uses less digits than its factorization.

70429500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 70429500 is about 8392.2285478888. The cubic root of 70429500 is about 412.9697128698.

The spelling of 70429500 in words is "seventy million, four hundred twenty-nine thousand, five hundred".