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30070614 = 2372234447
BaseRepresentation
bin111001010110…
…1011101010110
32002120202010110
41302231131112
530144224424
62552303450
7513411300
oct162553526
962522113
1030070614
1115a79552
12a0a1b86
1362cb182
143dca970
15298ec29
hex1cad756

30070614 has 48 divisors (see below), whose sum is σ = 73018368. Its totient is φ = 8216208.

The previous prime is 30070613. The next prime is 30070627. The reversal of 30070614 is 41607003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30070613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4539 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (1521216).

Almost surely, 230070614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30070614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36509184).

30070614 is an abundant number, since it is smaller than the sum of its proper divisors (42947754).

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

30070614 is a wasteful number, since it uses less digits than its factorization.

30070614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30070614 is about 5483.6679330536. The cubic root of 30070614 is about 310.9668530272.

Adding to 30070614 its reverse (41607003), we get a palindrome (71677617).

The spelling of 30070614 in words is "thirty million, seventy thousand, six hundred fourteen".

Divisors: 1 2 3 6 7 14 21 23 42 46 49 69 98 138 147 161 294 322 483 966 1127 2254 3381 4447 6762 8894 13341 26682 31129 62258 93387 102281 186774 204562 217903 306843 435806 613686 653709 715967 1307418 1431934 2147901 4295802 5011769 10023538 15035307 30070614