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70403860 = 225107167197
BaseRepresentation
bin1000011001001…
…00011100010100
311220110212221101
410030210130110
5121010410420
610552555444
71513265032
oct414443424
9156425841
1070403860
113681750a
121b6b2b84
13117805b7
1494c9552
1562aa60a
hex4324714

70403860 has 48 divisors (see below), whose sum is σ = 150885504. Its totient is φ = 27590528.

The previous prime is 70403833. The next prime is 70403867. The reversal of 70403860 is 6830407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70403867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357282 + ... + 357478.

It is an arithmetic number, because the mean of its divisors is an integer number (3143448).

Almost surely, 270403860 is an apocalyptic number.

It is an amenable number.

70403860 is an abundant number, since it is smaller than the sum of its proper divisors (80481644).

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

70403860 is a wasteful number, since it uses less digits than its factorization.

70403860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 70403860 is about 8390.7008050579. The cubic root of 70403860 is about 412.9195926379.

The spelling of 70403860 in words is "seventy million, four hundred three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 107 167 197 214 334 394 428 535 668 788 835 985 1070 1670 1970 2140 3340 3940 17869 21079 32899 35738 42158 65798 71476 84316 89345 105395 131596 164495 178690 210790 328990 357380 421580 657980 3520193 7040386 14080772 17600965 35201930 70403860