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70441448 = 23711173661
BaseRepresentation
bin1000011001011…
…01100111101000
311220112210111112
410030231213220
5121013111243
610553445452
71513512440
oct414554750
9156483445
1070441448
1136842780
121b710888
131179473c
1494d9120
1562b6818
hex432d9e8

70441448 has 64 divisors (see below), whose sum is σ = 165870720. Its totient is φ = 27244800.

The previous prime is 70441411. The next prime is 70441471. The reversal of 70441448 is 84414407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106238 + ... + 106898.

It is an arithmetic number, because the mean of its divisors is an integer number (2591730).

Almost surely, 270441448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70441448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82935360).

70441448 is an abundant number, since it is smaller than the sum of its proper divisors (95429272).

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

70441448 is a wasteful number, since it uses less digits than its factorization.

70441448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 70441448 is about 8392.9403667606. The cubic root of 70441448 is about 412.9930642739.

The spelling of 70441448 in words is "seventy million, four hundred forty-one thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 173 308 346 616 661 692 1211 1322 1384 1903 2422 2644 3806 4627 4844 5288 7271 7612 9254 9688 13321 14542 15224 18508 26642 29084 37016 50897 53284 58168 101794 106568 114353 203588 228706 407176 457412 800471 914824 1257883 1600942 2515766 3201884 5031532 6403768 8805181 10063064 17610362 35220724 70441448