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3970268730 = 233514704699
BaseRepresentation
bin1110110010100101…
…0111111000111010
3101020200202112211000
43230221113320322
531112342044410
61453544345430
7200246504331
oct35451277072
911220675730
103970268730
11175812772a
12929775276
134b3711b4c
14299414d18
15183850dc0
hexeca57e3a

3970268730 has 32 divisors (see below), whose sum is σ = 10587384000. Its totient is φ = 1058738256.

The previous prime is 3970268713. The next prime is 3970268759. The reversal of 3970268730 is 378620793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7352080 + ... + 7352619.

It is an arithmetic number, because the mean of its divisors is an integer number (330855750).

Almost surely, 23970268730 is an apocalyptic number.

3970268730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3970268730 is an abundant number, since it is smaller than the sum of its proper divisors (6617115270).

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

3970268730 is a wasteful number, since it uses less digits than its factorization.

3970268730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704715 (or 14704709 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 3970268730 is about 63010.0684811562. The cubic root of 3970268730 is about 1583.4583131139.

The spelling of 3970268730 in words is "three billion, nine hundred seventy million, two hundred sixty-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 14704699 29409398 44114097 73523495 88228194 132342291 147046990 220570485 264684582 397026873 441140970 661711455 794053746 1323422910 1985134365 3970268730