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70036452 = 22321945457
BaseRepresentation
bin1000010110010…
…10101111100100
311212210012221200
410023022233210
5120412131302
610541042500
71510204623
oct413125744
9155705850
1070036452
1136596472
121b556430
13116822b5
1494316ba
15623681c
hex42cabe4

70036452 has 18 divisors (see below), whose sum is σ = 177036678. Its totient is φ = 23345472.

The previous prime is 70036441. The next prime is 70036513. The reversal of 70036452 is 25463007.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48358116 + 21678336 = 6954^2 + 4656^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 972693 + ... + 972764.

It is an arithmetic number, because the mean of its divisors is an integer number (9835371).

Almost surely, 270036452 is an apocalyptic number.

It is an amenable number.

70036452 is an abundant number, since it is smaller than the sum of its proper divisors (107000226).

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

70036452 is a wasteful number, since it uses less digits than its factorization.

70036452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945467 (or 1945462 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 70036452 is about 8368.7784054783. The cubic root of 70036452 is about 412.2000552296.

Adding to 70036452 its reverse (25463007), we get a palindrome (95499459).

The spelling of 70036452 in words is "seventy million, thirty-six thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1945457 3890914 5836371 7781828 11672742 17509113 23345484 35018226 70036452