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70424312 = 23731113359
BaseRepresentation
bin1000011001010…
…01011011111000
311220111220222212
410030221123320
5121012034222
610553234252
71513411460
oct414513370
9156456885
1070424312
1136830912
121b702988
13117899ba
1494d2ba0
1562b16e2
hex43296f8

70424312 has 64 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 28869120.

The previous prime is 70424311. The next prime is 70424323. The reversal of 70424312 is 21342407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70424311) 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 15 ways as a sum of consecutive naturals, for example, 195989 + ... + 196347.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 270424312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70424312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78796800).

70424312 is an abundant number, since it is smaller than the sum of its proper divisors (87169288).

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

70424312 is a wasteful number, since it uses less digits than its factorization.

70424312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 70424312 is about 8391.9194467059. The cubic root of 70424312 is about 412.9595725192.

Adding to 70424312 its reverse (21342407), we get a palindrome (91766719).

The spelling of 70424312 in words is "seventy million, four hundred twenty-four thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 31 56 62 113 124 217 226 248 359 434 452 718 791 868 904 1436 1582 1736 2513 2872 3164 3503 5026 6328 7006 10052 11129 14012 20104 22258 24521 28024 40567 44516 49042 77903 81134 89032 98084 155806 162268 196168 283969 311612 324536 567938 623224 1135876 1257577 2271752 2515154 5030308 8803039 10060616 17606078 35212156 70424312