Search a number
-
+
70743842 = 2132720917
BaseRepresentation
bin1000011011101…
…11011100100010
311221010011022022
410031313130202
5121102300332
611004141442
71516212161
oct415673442
9157104268
1070743842
1136a29994
121b837882
131186c280
1495773d8
156326212
hex4377722

70743842 has 8 divisors (see below), whose sum is σ = 114278556. Its totient is φ = 32650992.

The previous prime is 70743839. The next prime is 70743857. The reversal of 70743842 is 24834707.

It can be written as a sum of positive squares in 2 ways, for example, as 70241161 + 502681 = 8381^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360433 + ... + 1360484.

Almost surely, 270743842 is an apocalyptic number.

70743842 is a deficient number, since it is larger than the sum of its proper divisors (43534714).

70743842 is a wasteful number, since it uses less digits than its factorization.

70743842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720932.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 70743842 is about 8410.9358575607. The cubic root of 70743842 is about 413.5831919474.

The spelling of 70743842 in words is "seventy million, seven hundred forty-three thousand, eight hundred forty-two".

Divisors: 1 2 13 26 2720917 5441834 35371921 70743842