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70742343 = 374182163
BaseRepresentation
bin1000011011101…
…11000101000111
311221010002020210
410031313011013
5121102223333
611004130503
71516204620
oct415670507
9157102223
1070742343
1136a28851
121b836a33
131186b699
149576a47
156325a63
hex4377147

70742343 has 16 divisors (see below), whose sum is σ = 110428416. Its totient is φ = 39437760.

The previous prime is 70742323. The next prime is 70742351. The reversal of 70742343 is 34324707.

It is not a de Polignac number, because 70742343 - 29 = 70741831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70742343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70742303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40221 + ... + 41942.

It is an arithmetic number, because the mean of its divisors is an integer number (6901776).

Almost surely, 270742343 is an apocalyptic number.

70742343 is a deficient number, since it is larger than the sum of its proper divisors (39686073).

70742343 is a wasteful number, since it uses less digits than its factorization.

70742343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82214.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 70742343 is about 8410.8467469096. The cubic root of 70742343 is about 413.5802707717.

The spelling of 70742343 in words is "seventy million, seven hundred forty-two thousand, three hundred forty-three".

Divisors: 1 3 7 21 41 123 287 861 82163 246489 575141 1725423 3368683 10106049 23580781 70742343