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70159091 = 293317309
BaseRepresentation
bin1000010111010…
…00101011110011
311220000110011212
410023220223303
5120430042331
610543430335
71511225312
oct413505363
9156013155
1070159091
113666a622
121b5b53ab
13116c6072
149464279
15625cd2b
hex42e8af3

70159091 has 8 divisors (see below), whose sum is σ = 72807600. Its totient is φ = 67525920.

The previous prime is 70159087. The next prime is 70159093. The reversal of 70159091 is 19095107.

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

It is not a de Polignac number, because 70159091 - 22 = 70159087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70159093) 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, 5945 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (9100950).

Almost surely, 270159091 is an apocalyptic number.

70159091 is a deficient number, since it is larger than the sum of its proper divisors (2648509).

70159091 is a wasteful number, since it uses less digits than its factorization.

70159091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 70159091 is about 8376.1023752101. The cubic root of 70159091 is about 412.4405125113.

The spelling of 70159091 in words is "seventy million, one hundred fifty-nine thousand, ninety-one".

Divisors: 1 29 331 7309 9599 211961 2419279 70159091