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70445653 = 435033257
BaseRepresentation
bin1000011001011…
…10101001010101
311220120000021021
410030232221111
5121013230103
610553521141
71513530625
oct414565125
9156500237
1070445653
1136845953
121b7131b1
1311796625
1494da885
1562b7bbd
hex432ea55

70445653 has 8 divisors (see below), whose sum is σ = 72249408. Its totient is φ = 68649504.

The previous prime is 70445651. The next prime is 70445677. The reversal of 70445653 is 35654407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70445653 - 21 = 70445651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70445651) 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 7 ways as a sum of consecutive naturals, for example, 20001 + ... + 23257.

It is an arithmetic number, because the mean of its divisors is an integer number (9031176).

Almost surely, 270445653 is an apocalyptic number.

It is an amenable number.

70445653 is a deficient number, since it is larger than the sum of its proper divisors (1803755).

70445653 is a wasteful number, since it uses less digits than its factorization.

70445653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 70445653 is about 8393.1908711765. The cubic root of 70445653 is about 413.0012819797.

The spelling of 70445653 in words is "seventy million, four hundred forty-five thousand, six hundred fifty-three".

Divisors: 1 43 503 3257 21629 140051 1638271 70445653