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70672286 = 2192417717
BaseRepresentation
bin1000011011001…
…01111110011110
311220222112011002
410031211332132
5121043003121
611002430302
71515463436
oct415457636
9156875132
1070672286
1136990153
121b802392
1311845829
1495592c6
15630ee0b
hex4365f9e

70672286 has 16 divisors (see below), whose sum is σ = 112065360. Its totient is φ = 33333120.

The previous prime is 70672279. The next prime is 70672289. The reversal of 70672286 is 68227607.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70672289) 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, 5300 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (7004085).

Almost surely, 270672286 is an apocalyptic number.

70672286 is a deficient number, since it is larger than the sum of its proper divisors (41393074).

70672286 is a wasteful number, since it uses less digits than its factorization.

70672286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 70672286 is about 8406.6810335590. The cubic root of 70672286 is about 413.4437011607.

The spelling of 70672286 in words is "seventy million, six hundred seventy-two thousand, two hundred eighty-six".

Divisors: 1 2 19 38 241 482 4579 7717 9158 15434 146623 293246 1859797 3719594 35336143 70672286