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70311310 = 2541171491
BaseRepresentation
bin1000011000011…
…01110110001110
311220022011222121
410030031312032
5120444430220
610551003154
71512431146
oct414156616
9156264877
1070311310
1136763a23
121b6694ba
131174a434
1494a3926
15628ceaa
hex430dd8e

70311310 has 16 divisors (see below), whose sum is σ = 129647952. Its totient is φ = 27438400.

The previous prime is 70311281. The next prime is 70311313. The reversal of 70311310 is 1311307.

It is a happy number.

It is a super-2 number, since 2×703113102 = 9887360627832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70311313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 85336 + ... + 86155.

It is an arithmetic number, because the mean of its divisors is an integer number (8102997).

Almost surely, 270311310 is an apocalyptic number.

70311310 is a deficient number, since it is larger than the sum of its proper divisors (59336642).

70311310 is a wasteful number, since it uses less digits than its factorization.

70311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171539.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 70311310 is about 8385.1839574335. The cubic root of 70311310 is about 412.7385776285.

Adding to 70311310 its reverse (1311307), we get a palindrome (71622617).

The spelling of 70311310 in words is "seventy million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 41 82 205 410 171491 342982 857455 1714910 7031131 14062262 35155655 70311310