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70018302 = 2323836113
BaseRepresentation
bin1000010110001…
…10010011111110
311212202022001110
410023012103332
5120411041202
610540422450
71510100664
oct413062376
9155668043
1070018302
1136583872
121b547a26
1311676c63
149428c34
15623126c
hex42c64fe

70018302 has 32 divisors (see below), whose sum is σ = 147909888. Its totient is φ = 22052096.

The previous prime is 70018271. The next prime is 70018307. The reversal of 70018302 is 20381007.

It is a super-2 number, since 2×700183022 = 9805125229926408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70018307) 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, 8398 + ... + 14510.

It is an arithmetic number, because the mean of its divisors is an integer number (4622184).

Almost surely, 270018302 is an apocalyptic number.

70018302 is an abundant number, since it is smaller than the sum of its proper divisors (77891586).

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

70018302 is a wasteful number, since it uses less digits than its factorization.

70018302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70018302 is about 8367.6939475581. The cubic root of 70018302 is about 412.1644448336.

Adding to 70018302 its reverse (20381007), we get a palindrome (90399309).

The spelling of 70018302 in words is "seventy million, eighteen thousand, three hundred two".

Divisors: 1 2 3 6 23 46 69 83 138 166 249 498 1909 3818 5727 6113 11454 12226 18339 36678 140599 281198 421797 507379 843594 1014758 1522137 3044274 11669717 23339434 35009151 70018302