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70377740 = 2253518887
BaseRepresentation
bin1000011000111…
…10000100001100
311220102120002222
410030132010030
5121004041430
610552234512
71513125626
oct414360414
9156376088
1070377740
11367a9924
121b69ba38
1311771744
1494bdc16
1562a29e5
hex431e10c

70377740 has 12 divisors (see below), whose sum is σ = 147793296. Its totient is φ = 28151088.

The previous prime is 70377733. The next prime is 70377757. The reversal of 70377740 is 4777307.

It is a self number, because there is not a number n which added to its sum of digits gives 70377740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759424 + ... + 1759463.

It is an arithmetic number, because the mean of its divisors is an integer number (12316108).

Almost surely, 270377740 is an apocalyptic number.

It is an amenable number.

70377740 is an abundant number, since it is smaller than the sum of its proper divisors (77415556).

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

70377740 is a wasteful number, since it uses less digits than its factorization.

70377740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518896 (or 3518894 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 70377740 is about 8389.1441756594. The cubic root of 70377740 is about 412.8685216036.

It can be divided in two parts, 70377 and 740, that added together give a palindrome (71117).

The spelling of 70377740 in words is "seventy million, three hundred seventy-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 3518887 7037774 14075548 17594435 35188870 70377740