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70052152 = 238756519
BaseRepresentation
bin1000010110011…
…10100100111000
311212211000111011
410023032210320
5120413132102
610541243304
71510301452
oct413164470
9155730434
1070052152
11365a7245
121b563534
13116894a1
1494372d2
15623b2d7
hex42ce938

70052152 has 8 divisors (see below), whose sum is σ = 131347800. Its totient is φ = 35026072.

The previous prime is 70052131. The next prime is 70052153. The reversal of 70052152 is 25125007.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×700521522 = 9814607999662208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70052153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4378252 + ... + 4378267.

It is an arithmetic number, because the mean of its divisors is an integer number (16418475).

Almost surely, 270052152 is an apocalyptic number.

It is an amenable number.

70052152 is a deficient number, since it is larger than the sum of its proper divisors (61295648).

70052152 is a wasteful number, since it uses less digits than its factorization.

70052152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756525 (or 8756521 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70052152 is about 8369.7163631750. The cubic root of 70052152 is about 412.2308537503.

Adding to 70052152 its reverse (25125007), we get a palindrome (95177159).

The spelling of 70052152 in words is "seventy million, fifty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 8756519 17513038 35026076 70052152