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70402011 = 3192383647
BaseRepresentation
bin1000011001000…
…11111111011011
311220110210101220
410030203333123
5121010331021
610552543123
71513256451
oct414437733
9156423356
1070402011
1136816089
121b6b1aa3
131177c7c4
1494c89d1
1562a9cc6
hex4323fdb

70402011 has 32 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 41953824.

The previous prime is 70402001. The next prime is 70402037. The reversal of 70402011 is 11020407.

It is not a de Polignac number, because 70402011 - 217 = 70270939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70402001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108490 + ... + 109136.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 270402011 is an apocalyptic number.

70402011 is a deficient number, since it is larger than the sum of its proper divisors (34107429).

70402011 is a wasteful number, since it uses less digits than its factorization.

70402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 70402011 is about 8390.5906228346. The cubic root of 70402011 is about 412.9159778029.

Adding to 70402011 its reverse (11020407), we get a palindrome (81422418).

The spelling of 70402011 in words is "seventy million, four hundred two thousand, eleven".

Divisors: 1 3 19 23 57 69 83 249 437 647 1311 1577 1909 1941 4731 5727 12293 14881 36271 36879 44643 53701 108813 161103 282739 848217 1020319 1235123 3060957 3705369 23467337 70402011