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3970294923 = 37251972
BaseRepresentation
bin1110110010100101…
…1110010010001011
3101020200210212202010
43230221132102023
531112343414143
61453545111003
7200246643600
oct35451362213
911220725663
103970294923
111758145381
12929788463
134b3720a4a
142994206a7
15183858a33
hexeca5e48b

3970294923 has 18 divisors (see below), whose sum is σ = 6159193596. Its totient is φ = 2268303408.

The previous prime is 3970294921. The next prime is 3970294927. The reversal of 3970294923 is 3294920793.

It is not a de Polignac number, because 3970294923 - 21 = 3970294921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3970294921) 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 in 17 ways as a sum of consecutive naturals, for example, 761361 + ... + 766557.

It is an arithmetic number, because the mean of its divisors is an integer number (342177422).

Almost surely, 23970294923 is an apocalyptic number.

3970294923 is a deficient number, since it is larger than the sum of its proper divisors (2188898673).

3970294923 is an frugal number, since it uses more digits than its factorization.

3970294923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411 (or 5207 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 3970294923 is about 63010.2763285482. The cubic root of 3970294923 is about 1583.4617952822.

Multiplying 3970294923 by its sum of digits (48), we get a square (190574156304 = 4365482).

The spelling of 3970294923 in words is "three billion, nine hundred seventy million, two hundred ninety-four thousand, nine hundred twenty-three".

Divisors: 1 3 7 21 49 147 5197 15591 36379 109137 254653 763959 27008809 81026427 189061663 567184989 1323431641 3970294923