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70725462 = 2383142019
BaseRepresentation
bin1000011011100…
…10111101010110
311221002020002120
410031302331112
5121101203322
611003520410
71516104453
oct415627526
9157066076
1070725462
1136a170a5
121b829106
1311863ab2
14957082a
156320a5c
hex4372f56

70725462 has 16 divisors (see below), whose sum is σ = 143156160. Its totient is φ = 23290952.

The previous prime is 70725449. The next prime is 70725469. The reversal of 70725462 is 26452707.

It is a super-3 number, since 3×707254623 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70725469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70512 + ... + 71507.

It is an arithmetic number, because the mean of its divisors is an integer number (8947260).

Almost surely, 270725462 is an apocalyptic number.

70725462 is an abundant number, since it is smaller than the sum of its proper divisors (72430698).

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

70725462 is a wasteful number, since it uses less digits than its factorization.

70725462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142107.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 70725462 is about 8409.8431614389. The cubic root of 70725462 is about 413.5473710793.

The spelling of 70725462 in words is "seventy million, seven hundred twenty-five thousand, four hundred sixty-two".

Divisors: 1 2 3 6 83 166 249 498 142019 284038 426057 852114 11787577 23575154 35362731 70725462