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70490498 = 2138113343
BaseRepresentation
bin1000011001110…
…01100110000010
311220122021210012
410030321212002
5121021143443
610554504522
71514105441
oct414714602
9156567705
1070490498
1136876611
121b735142
13117b0b70
14950cd58
1562c6118
hex4339982

70490498 has 16 divisors (see below), whose sum is σ = 114043776. Its totient is φ = 32484240.

The previous prime is 70490471. The next prime is 70490507. The reversal of 70490498 is 89409407.

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, 19415 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (7127736).

Almost surely, 270490498 is an apocalyptic number.

70490498 is a deficient number, since it is larger than the sum of its proper divisors (43553278).

70490498 is a wasteful number, since it uses less digits than its factorization.

70490498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 70490498 is about 8395.8619569405. The cubic root of 70490498 is about 413.0889008886.

The spelling of 70490498 in words is "seventy million, four hundred ninety thousand, four hundred ninety-eight".

Divisors: 1 2 13 26 811 1622 3343 6686 10543 21086 43459 86918 2711173 5422346 35245249 70490498