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70152228 = 223212311583
BaseRepresentation
bin1000010111001…
…11000000100100
311220000002202200
410023213000210
5120424332403
610543334500
71511166306
oct413470044
9156002680
1070152228
1136665453
121b5b1430
13116c2bc3
149461976
15625aca3
hex42e7024

70152228 has 36 divisors (see below), whose sum is σ = 177585408. Its totient is φ = 23350320.

The previous prime is 70152223. The next prime is 70152233. The reversal of 70152228 is 82225107.

It is an interprime number because it is at equal distance from previous prime (70152223) and next prime (70152233).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (70152223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43525 + ... + 45107.

It is an arithmetic number, because the mean of its divisors is an integer number (4932928).

Almost surely, 270152228 is an apocalyptic number.

It is an amenable number.

70152228 is an abundant number, since it is smaller than the sum of its proper divisors (107433180).

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

70152228 is a wasteful number, since it uses less digits than its factorization.

70152228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 70152228 is about 8375.6926877722. The cubic root of 70152228 is about 412.4270636885.

The spelling of 70152228 in words is "seventy million, one hundred fifty-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1231 1583 2462 3166 3693 4749 4924 6332 7386 9498 11079 14247 14772 18996 22158 28494 44316 56988 1948673 3897346 5846019 7794692 11692038 17538057 23384076 35076114 70152228