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3957506223 = 31158191
BaseRepresentation
bin1110101111100010…
…1100000010101111
3101012210202010221120
43223320230002233
531101110144343
61452411032023
7200033151006
oct35370540257
911183663846
103957506223
111750a00000
1292543b613
134b0b93a78
14297851c3d
1518267e683
hexebe2c0af

3957506223 has 24 divisors (see below), whose sum is σ = 5805047808. Its totient is φ = 2398195800.

The previous prime is 3957506213. The next prime is 3957506239. The reversal of 3957506223 is 3226057593.

3957506223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3957506223 - 25 = 3957506191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957506213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479058 + ... + 487248.

It is an arithmetic number, because the mean of its divisors is an integer number (241876992).

Almost surely, 23957506223 is an apocalyptic number.

3957506223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3957506223 is a deficient number, since it is larger than the sum of its proper divisors (1847541585).

3957506223 is an frugal number, since it uses more digits than its factorization.

3957506223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 3957506223 is about 62908.7134107828. The cubic root of 3957506223 is about 1581.7598058758.

The spelling of 3957506223 in words is "three billion, nine hundred fifty-seven million, five hundred six thousand, two hundred twenty-three".

Divisors: 1 3 11 33 121 363 1331 3993 8191 14641 24573 43923 90101 161051 270303 483153 991111 2973333 10902221 32706663 119924431 359773293 1319168741 3957506223