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70464153 = 323488051
BaseRepresentation
bin1000011001100…
…11001010011001
311220120221122110
410030303022121
5121014323103
610554142533
71513635564
oct414631231
9156527573
1070464153
1136858841
121b721a49
13117a1b86
1495034db
1562bd403
hex4333299

70464153 has 4 divisors (see below), whose sum is σ = 93952208. Its totient is φ = 46976100.

The previous prime is 70464151. The next prime is 70464187. The reversal of 70464153 is 35146407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35146407 = 311715469.

It is not a de Polignac number, because 70464153 - 21 = 70464151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70464153.

It is not an unprimeable number, because it can be changed into a prime (70464151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11744023 + ... + 11744028.

It is an arithmetic number, because the mean of its divisors is an integer number (23488052).

Almost surely, 270464153 is an apocalyptic number.

It is an amenable number.

70464153 is a deficient number, since it is larger than the sum of its proper divisors (23488055).

70464153 is a wasteful number, since it uses less digits than its factorization.

70464153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23488054.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 70464153 is about 8394.2928826674. The cubic root of 70464153 is about 413.0374320928.

The spelling of 70464153 in words is "seventy million, four hundred sixty-four thousand, one hundred fifty-three".

Divisors: 1 3 23488051 70464153