Search a number
-
+
70333144 = 2371255949
BaseRepresentation
bin1000011000100…
…11001011011000
311220100021221021
410030103023120
5121001130034
610551252224
71512551620
oct414231330
9156307837
1070333144
1136779372
121b67a074
131175735b
1494ab880
1562946b4
hex43132d8

70333144 has 16 divisors (see below), whose sum is σ = 150714000. Its totient is φ = 30142752.

The previous prime is 70333127. The next prime is 70333157. The reversal of 70333144 is 44133307.

It is a happy number.

It is a super-2 number, since 2×703331442 = 9893502289849472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627919 + ... + 628030.

It is an arithmetic number, because the mean of its divisors is an integer number (9419625).

Almost surely, 270333144 is an apocalyptic number.

It is an amenable number.

70333144 is an abundant number, since it is smaller than the sum of its proper divisors (80380856).

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

70333144 is a wasteful number, since it uses less digits than its factorization.

70333144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255962 (or 1255958 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 70333144 is about 8386.4857956119. The cubic root of 70333144 is about 412.7812962250.

The spelling of 70333144 in words is "seventy million, three hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 1255949 2511898 5023796 8791643 10047592 17583286 35166572 70333144