Search a number
-
+
70963272 = 2332985601
BaseRepresentation
bin1000011101011…
…01000001001000
311221112022022100
410032231001020
5121131311042
611012553400
71521115002
oct416550110
9157468270
1070963272
1137069836
121b922860
1311918103
1495d3372
15636b24c
hex43ad048

70963272 has 24 divisors (see below), whose sum is σ = 192192390. Its totient is φ = 23654400.

The previous prime is 70963267. The next prime is 70963273. The reversal of 70963272 is 27236907.

It can be written as a sum of positive squares in only one way, i.e., 44275716 + 26687556 = 6654^2 + 5166^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (70963273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492729 + ... + 492872.

Almost surely, 270963272 is an apocalyptic number.

70963272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70963272 is an abundant number, since it is smaller than the sum of its proper divisors (121229118).

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

70963272 is a wasteful number, since it uses less digits than its factorization.

70963272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985613 (or 985606 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 70963272 is about 8423.9700854170. The cubic root of 70963272 is about 414.0103617094.

The spelling of 70963272 in words is "seventy million, nine hundred sixty-three thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 985601 1971202 2956803 3942404 5913606 7884808 8870409 11827212 17740818 23654424 35481636 70963272