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70742035 = 5731319167
BaseRepresentation
bin1000011011101…
…11000000010011
311221010001211101
410031313000103
5121102221120
611004125231
71516204000
oct415670023
9157101741
1070742035
1136a285a1
121b836817
131186b4c0
1495768a7
15632590a
hex4377013

70742035 has 64 divisors (see below), whose sum is σ = 112896000. Its totient is φ = 42166656.

The previous prime is 70742033. The next prime is 70742047. The reversal of 70742035 is 53024707.

It is not a de Polignac number, because 70742035 - 21 = 70742033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70741994 and 70742012.

It is not an unprimeable number, because it can be changed into a prime (70742033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 423522 + ... + 423688.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 270742035 is an apocalyptic number.

70742035 is a deficient number, since it is larger than the sum of its proper divisors (42153965).

70742035 is a wasteful number, since it uses less digits than its factorization.

70742035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 70742035 is about 8410.8284371993. The cubic root of 70742035 is about 413.5796705517.

It can be divided in two parts, 707420 and 35, that added together give a triangular number (707455 = T1189).

The spelling of 70742035 in words is "seventy million, seven hundred forty-two thousand, thirty-five".

Divisors: 1 5 7 13 19 35 49 65 91 95 133 167 245 247 343 455 637 665 835 931 1169 1235 1715 1729 2171 3173 3185 4459 4655 5845 6517 8183 8645 10855 12103 15197 15865 22211 22295 32585 40915 41249 57281 60515 75985 84721 106379 111055 155477 206245 286405 288743 423605 531895 744653 777385 1088339 1443715 2021201 3723265 5441695 10106005 14148407 70742035