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164142941 = 4722315661
BaseRepresentation
bin10011100100010…
…01111101011101
3102102212022210012
421302021331131
5314010033231
624142053005
74032122564
oct1162117535
9372768705
10164142941
1184722026
1246b7a165
1328011401
1417b2abdb
15e624e2b
hex9c89f5d

164142941 has 8 divisors (see below), whose sum is σ = 168397824. Its totient is φ = 159919920.

The previous prime is 164142907. The next prime is 164142949. The reversal of 164142941 is 149241461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164142941 - 222 = 159948637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164142898 and 164142907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164142949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651 + ... + 18311.

It is an arithmetic number, because the mean of its divisors is an integer number (21049728).

Almost surely, 2164142941 is an apocalyptic number.

It is an amenable number.

164142941 is a deficient number, since it is larger than the sum of its proper divisors (4254883).

164142941 is a wasteful number, since it uses less digits than its factorization.

164142941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15931.

The product of its digits is 6912, while the sum is 32.

The square root of 164142941 is about 12811.8281677519. The cubic root of 164142941 is about 547.5293490797.

The spelling of 164142941 in words is "one hundred sixty-four million, one hundred forty-two thousand, nine hundred forty-one".

Divisors: 1 47 223 10481 15661 736067 3492403 164142941