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69316030 = 2571317559
BaseRepresentation
bin1000010000110…
…10110110111110
311211102121201101
410020122312332
5120221103110
610513403314
71501114360
oct410326676
9154377641
1069316030
1136144183
121b26953a
131148c404
1492c4d30
15614313a
hex421adbe

69316030 has 32 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 23580960.

The previous prime is 69316019. The next prime is 69316033. The reversal of 69316030 is 3061396.

It is a self number, because there is not a number n which added to its sum of digits gives 69316030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69316033) 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, 5391 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 269316030 is an apocalyptic number.

69316030 is an abundant number, since it is smaller than the sum of its proper divisors (74384450).

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

69316030 is a wasteful number, since it uses less digits than its factorization.

69316030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 69316030 is about 8325.6249014714. The cubic root of 69316030 is about 410.7818315913.

The spelling of 69316030 in words is "sixty-nine million, three hundred sixteen thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 7559 9170 15118 37795 52913 75590 105826 264565 529130 990229 1980458 4951145 6931603 9902290 13863206 34658015 69316030