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70430393 = 1123475923
BaseRepresentation
bin1000011001010…
…10111010111001
311220112020100002
410030222322321
5121012233033
610553322345
71513435265
oct414527271
9156466302
1070430393
1136835440
121b7063b5
131178c6b7
1494d50a5
1562b33e8
hex432aeb9

70430393 has 16 divisors (see below), whose sum is σ = 81893376. Its totient is φ = 59930640.

The previous prime is 70430377. The next prime is 70430401. The reversal of 70430393 is 39303407.

It is not a de Polignac number, because 70430393 - 24 = 70430377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70436393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8930 + ... + 14852.

It is an arithmetic number, because the mean of its divisors is an integer number (5118336).

Almost surely, 270430393 is an apocalyptic number.

It is an amenable number.

70430393 is a deficient number, since it is larger than the sum of its proper divisors (11462983).

70430393 is a wasteful number, since it uses less digits than its factorization.

70430393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 70430393 is about 8392.2817517050. The cubic root of 70430393 is about 412.9714582577.

The spelling of 70430393 in words is "seventy million, four hundred thirty thousand, three hundred ninety-three".

Divisors: 1 11 23 47 253 517 1081 5923 11891 65153 136229 278381 1498519 3062191 6402763 70430393