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70451029 = 116404639
BaseRepresentation
bin1000011001011…
…11111101010101
311220120021122101
410030233331111
5121013413104
610554002101
71513552405
oct414577525
9156507571
1070451029
11368499a0
121b716331
1311798bcc
1494dc805
1562b95a4
hex432ff55

70451029 has 4 divisors (see below), whose sum is σ = 76855680. Its totient is φ = 64046380.

The previous prime is 70451027. The next prime is 70451041. The reversal of 70451029 is 92015407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70451029 - 21 = 70451027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70450988 and 70451006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70451021) 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, 3202309 + ... + 3202330.

It is an arithmetic number, because the mean of its divisors is an integer number (19213920).

Almost surely, 270451029 is an apocalyptic number.

It is an amenable number.

70451029 is a deficient number, since it is larger than the sum of its proper divisors (6404651).

70451029 is a wasteful number, since it uses less digits than its factorization.

70451029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404650.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 70451029 is about 8393.5111246724. The cubic root of 70451029 is about 413.0117876594.

The spelling of 70451029 in words is "seventy million, four hundred fifty-one thousand, twenty-nine".

Divisors: 1 11 6404639 70451029