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70234636 = 2229605471
BaseRepresentation
bin1000010111110…
…11001000001100
311220011021210211
410023323020030
5120440002021
610545212204
71511661463
oct413731014
9156137724
1070234636
113671135a
121b631064
1311721574
1494839da
1562753e1
hex42fb20c

70234636 has 12 divisors (see below), whose sum is σ = 127149120. Its totient is φ = 33906320.

The previous prime is 70234631. The next prime is 70234643. The reversal of 70234636 is 63643207.

It is a junction number, because it is equal to n+sod(n) for n = 70234598 and 70234607.

It is not an unprimeable number, because it can be changed into a prime (70234631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302620 + ... + 302851.

It is an arithmetic number, because the mean of its divisors is an integer number (10595760).

Almost surely, 270234636 is an apocalyptic number.

It is an amenable number.

70234636 is a deficient number, since it is larger than the sum of its proper divisors (56914484).

70234636 is a wasteful number, since it uses less digits than its factorization.

70234636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605504 (or 605502 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 70234636 is about 8380.6107176029. The cubic root of 70234636 is about 412.5884935333.

The spelling of 70234636 in words is "seventy million, two hundred thirty-four thousand, six hundred thirty-six".

Divisors: 1 2 4 29 58 116 605471 1210942 2421884 17558659 35117318 70234636