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70939450 = 2524730187
BaseRepresentation
bin1000011101001…
…11001100111010
311221111002122001
410032213030322
5121130030300
611012251214
71520655361
oct416471472
9157432561
1070939450
113705294a
121b910b0a
131190a30a
1495c87d8
15636416a
hex43a733a

70939450 has 24 divisors (see below), whose sum is σ = 134759232. Its totient is φ = 27771120.

The previous prime is 70939447. The next prime is 70939469. The reversal of 70939450 is 5493907.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12744 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (5614968).

Almost surely, 270939450 is an apocalyptic number.

70939450 is a deficient number, since it is larger than the sum of its proper divisors (63819782).

70939450 is a wasteful number, since it uses less digits than its factorization.

70939450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30246 (or 30241 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 70939450 is about 8422.5560253405. The cubic root of 70939450 is about 413.9640294854.

The spelling of 70939450 in words is "seventy million, nine hundred thirty-nine thousand, four hundred fifty".

Divisors: 1 2 5 10 25 47 50 94 235 470 1175 2350 30187 60374 150935 301870 754675 1418789 1509350 2837578 7093945 14187890 35469725 70939450