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70470377 = 292430013
BaseRepresentation
bin1000011001101…
…00101011101001
311220121021011222
410030310223221
5121020023002
610554231425
71513662665
oct414645351
9156537158
1070470377
113686248a
121b725575
13117a4963
1495058a5
1562c01a2
hex4334ae9

70470377 has 4 divisors (see below), whose sum is σ = 72900420. Its totient is φ = 68040336.

The previous prime is 70470371. The next prime is 70470383. The reversal of 70470377 is 77307407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77307407 = 178743261.

It is an interprime number because it is at equal distance from previous prime (70470371) and next prime (70470383).

It can be written as a sum of positive squares in 2 ways, for example, as 13980121 + 56490256 = 3739^2 + 7516^2 .

It is a cyclic number.

It is not a de Polignac number, because 70470377 - 26 = 70470313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70470371) 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 3 ways as a sum of consecutive naturals, for example, 1214978 + ... + 1215035.

It is an arithmetic number, because the mean of its divisors is an integer number (18225105).

Almost surely, 270470377 is an apocalyptic number.

It is an amenable number.

70470377 is a deficient number, since it is larger than the sum of its proper divisors (2430043).

70470377 is a wasteful number, since it uses less digits than its factorization.

70470377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430042.

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 70470377 is about 8394.6636025513. The cubic root of 70470377 is about 413.0495927408.

The spelling of 70470377 in words is "seventy million, four hundred seventy thousand, three hundred seventy-seven".

Divisors: 1 29 2430013 70470377