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70553397 = 3231022513
BaseRepresentation
bin1000011010010…
…00111100110101
311220202111001210
410031020330311
5121030202042
611000112033
71514460015
oct415107465
9156674053
1070553397
11369098a2
121b765619
1311803695
149527c45
1562d9a9c
hex4348f35

70553397 has 8 divisors (see below), whose sum is σ = 98161344. Its totient is φ = 44990528.

The previous prime is 70553389. The next prime is 70553401. The reversal of 70553397 is 79335507.

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 70553397 - 23 = 70553389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70553597) 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, 511188 + ... + 511325.

It is an arithmetic number, because the mean of its divisors is an integer number (12270168).

Almost surely, 270553397 is an apocalyptic number.

It is an amenable number.

70553397 is a deficient number, since it is larger than the sum of its proper divisors (27607947).

70553397 is a wasteful number, since it uses less digits than its factorization.

70553397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022539.

The product of its (nonzero) digits is 99225, while the sum is 39.

The square root of 70553397 is about 8399.6069550902. The cubic root of 70553397 is about 413.2117314125.

The spelling of 70553397 in words is "seventy million, five hundred fifty-three thousand, three hundred ninety-seven".

Divisors: 1 3 23 69 1022513 3067539 23517799 70553397