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70585740 = 22325392143
BaseRepresentation
bin1000011010100…
…00110110001100
311220211010102200
410031100312030
5121032220430
611000521500
71514653221
oct415206614
9156733380
1070585740
1136931125
121b780290
1311815314
149535948
1562e4460
hex4350d8c

70585740 has 36 divisors (see below), whose sum is σ = 214110624. Its totient is φ = 18822816.

The previous prime is 70585733. The next prime is 70585763. The reversal of 70585740 is 4758507.

70585740 is a `hidden beast` number, since 7 + 0 + 585 + 74 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70585695 and 70585704.

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 11 ways as a sum of consecutive naturals, for example, 195892 + ... + 196251.

Almost surely, 270585740 is an apocalyptic number.

It is an amenable number.

70585740 is an abundant number, since it is smaller than the sum of its proper divisors (143524884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70585740 is a wasteful number, since it uses less digits than its factorization.

70585740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392158 (or 392153 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 70585740 is about 8401.5320031528. The cubic root of 70585740 is about 413.2748631016.

The spelling of 70585740 in words is "seventy million, five hundred eighty-five thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 392143 784286 1176429 1568572 1960715 2352858 3529287 3921430 4705716 5882145 7058574 7842860 11764290 14117148 17646435 23528580 35292870 70585740