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70443542 = 2139472861
BaseRepresentation
bin1000011001011…
…10001000010110
311220112220101002
410030232020112
5121013143132
610553503302
71513521521
oct414561026
9156486332
1070443542
1136844304
121b711b32
1311795690
1494d9bb8
1562b7262
hex432e216

70443542 has 16 divisors (see below), whose sum is σ = 113953392. Its totient is φ = 32466720.

The previous prime is 70443533. The next prime is 70443551. The reversal of 70443542 is 24534407.

It is an interprime number because it is at equal distance from previous prime (70443533) and next prime (70443551).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23192 + ... + 26052.

It is an arithmetic number, because the mean of its divisors is an integer number (7122087).

Almost surely, 270443542 is an apocalyptic number.

70443542 is a deficient number, since it is larger than the sum of its proper divisors (43509850).

70443542 is a wasteful number, since it uses less digits than its factorization.

70443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 70443542 is about 8393.0651135327. The cubic root of 70443542 is about 412.9971565564.

Adding to 70443542 its reverse (24534407), we get a palindrome (94977949).

The spelling of 70443542 in words is "seventy million, four hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 13 26 947 1894 2861 5722 12311 24622 37193 74386 2709367 5418734 35221771 70443542