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70400303 = 139571887
BaseRepresentation
bin1000011001000…
…11100100101111
311220110201001122
410030203210233
5121010302203
610552531155
71513251461
oct414434457
9156421048
1070400303
1136814876
121b6b0abb
131177baac
1494c8131
1562a9538
hex432392f

70400303 has 8 divisors (see below), whose sum is σ = 71111040. Its totient is φ = 69692760.

The previous prime is 70400293. The next prime is 70400357. The reversal of 70400303 is 30300407.

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 70400303 - 28 = 70400047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70400003) 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, 78926 + ... + 79812.

It is an arithmetic number, because the mean of its divisors is an integer number (8888880).

Almost surely, 270400303 is an apocalyptic number.

70400303 is a deficient number, since it is larger than the sum of its proper divisors (710737).

70400303 is a wasteful number, since it uses less digits than its factorization.

70400303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 70400303 is about 8390.4888415396. The cubic root of 70400303 is about 412.9126385697.

The spelling of 70400303 in words is "seventy million, four hundred thousand, three hundred three".

Divisors: 1 139 571 887 79369 123293 506477 70400303