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70903444 = 2217725861
BaseRepresentation
bin1000011100111…
…10011010010100
311221102021020111
410032132122110
5121122402234
611011412404
71520445403
oct416363224
9157367214
1070903444
1137028897
121b8b4104
13118c6b01
1495b963a
156358664
hex439e694

70903444 has 6 divisors (see below), whose sum is σ = 124081034. Its totient is φ = 35451720.

The previous prime is 70903403. The next prime is 70903451. The reversal of 70903444 is 44430907.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 23155344 = 6910^2 + 4812^2 .

It is a super-2 number, since 2×709034442 = 10054596742122272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8862927 + ... + 8862934.

Almost surely, 270903444 is an apocalyptic number.

It is an amenable number.

70903444 is a deficient number, since it is larger than the sum of its proper divisors (53177590).

70903444 is a wasteful number, since it uses less digits than its factorization.

70903444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725865 (or 17725863 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 70903444 is about 8420.4182793968. The cubic root of 70903444 is about 413.8939804915.

The spelling of 70903444 in words is "seventy million, nine hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 17725861 35451722 70903444