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70770044 = 2217692511
BaseRepresentation
bin1000011011111…
…01110101111100
311221011111020202
410031331311330
5121104120134
611004503032
71516351442
oct415756574
9157144222
1070770044
1136a47644
121b84aa78
131187b187
149582b92
15632dd7e
hex437dd7c

70770044 has 6 divisors (see below), whose sum is σ = 123847584. Its totient is φ = 35385020.

The previous prime is 70770019. The next prime is 70770047. The reversal of 70770044 is 44007707.

It is a super-3 number, since 3×707700443 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70769989 and 70770016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70770047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8846252 + ... + 8846259.

It is an arithmetic number, because the mean of its divisors is an integer number (20641264).

Almost surely, 270770044 is an apocalyptic number.

It is an amenable number.

70770044 is a deficient number, since it is larger than the sum of its proper divisors (53077540).

70770044 is a wasteful number, since it uses less digits than its factorization.

70770044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17692515 (or 17692513 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 70770044 is about 8412.4933283777. The cubic root of 70770044 is about 413.6342464226.

The spelling of 70770044 in words is "seventy million, seven hundred seventy thousand, forty-four".

Divisors: 1 2 4 17692511 35385022 70770044