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70709862 = 2327143487
BaseRepresentation
bin1000011011011…
…11001001100110
311221001102200210
410031233021212
5121100203422
611003320250
71516011126
oct415571146
9157042623
1070709862
1136a06403
121b820086
1311859972
149568c86
15631b10c
hex436f266

70709862 has 16 divisors (see below), whose sum is σ = 141944832. Its totient is φ = 23482440.

The previous prime is 70709861. The next prime is 70709869. The reversal of 70709862 is 26890707.

It is a self number, because there is not a number n which added to its sum of digits gives 70709862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70709861) 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, 20118 + ... + 23369.

It is an arithmetic number, because the mean of its divisors is an integer number (8871552).

Almost surely, 270709862 is an apocalyptic number.

70709862 is an abundant number, since it is smaller than the sum of its proper divisors (71234970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70709862 is a wasteful number, since it uses less digits than its factorization.

70709862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43763.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 70709862 is about 8408.9156256916. The cubic root of 70709862 is about 413.5169632969.

The spelling of 70709862 in words is "seventy million, seven hundred nine thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 271 542 813 1626 43487 86974 130461 260922 11784977 23569954 35354931 70709862