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45438070 = 2529156683
BaseRepresentation
bin1010110101010…
…1010001110110
310011111111022111
42231111101312
543113004240
64301521234
71061134336
oct255252166
9104444274
1045438070
1123715327
121327321a
13954bb42
14606b0c6
153ec81ea
hex2b55476

45438070 has 16 divisors (see below), whose sum is σ = 84609360. Its totient is φ = 17548384.

The previous prime is 45438061. The next prime is 45438073. The reversal of 45438070 is 7083454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78052 + ... + 78631.

It is an arithmetic number, because the mean of its divisors is an integer number (5288085).

Almost surely, 245438070 is an apocalyptic number.

45438070 is a deficient number, since it is larger than the sum of its proper divisors (39171290).

45438070 is a wasteful number, since it uses less digits than its factorization.

45438070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156719.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 45438070 is about 6740.7766614835. The cubic root of 45438070 is about 356.8398039458.

The spelling of 45438070 in words is "forty-five million, four hundred thirty-eight thousand, seventy".

Divisors: 1 2 5 10 29 58 145 290 156683 313366 783415 1566830 4543807 9087614 22719035 45438070