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70523230 = 257052323
BaseRepresentation
bin1000011010000…
…01100101011110
311220200221200111
410031001211132
5121023220410
610555320234
71514303041
oct415014536
9156627614
1070523230
1136899168
121b75007a
13117c2a2b
14951ac58
1562d0b8a
hex434195e

70523230 has 8 divisors (see below), whose sum is σ = 126941832. Its totient is φ = 28209288.

The previous prime is 70523207. The next prime is 70523251. The reversal of 70523230 is 3232507.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526152 + ... + 3526171.

It is an arithmetic number, because the mean of its divisors is an integer number (15867729).

Almost surely, 270523230 is an apocalyptic number.

70523230 is a deficient number, since it is larger than the sum of its proper divisors (56418602).

70523230 is a wasteful number, since it uses less digits than its factorization.

70523230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052330.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 70523230 is about 8397.8110243087. The cubic root of 70523230 is about 413.1528297584.

Adding to 70523230 its reverse (3232507), we get a palindrome (73755737).

The spelling of 70523230 in words is "seventy million, five hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 7052323 14104646 35261615 70523230