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2123953 = 13198599
BaseRepresentation
bin1000000110100010110001
310222220111221
420012202301
51020431303
6113305041
724024166
oct10064261
93886457
102123953
111220837
12865181
135949a0
143d406d
152be4bd
hex2068b1

2123953 has 8 divisors (see below), whose sum is σ = 2408000. Its totient is φ = 1857168.

The previous prime is 2123939. The next prime is 2123969. The reversal of 2123953 is 3593212.

It is a happy number.

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 2123953 - 213 = 2115761 is a prime.

It is a super-2 number, since 2×21239532 = 9022352692418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123983) 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, 4053 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (301000).

22123953 is an apocalyptic number.

It is an amenable number.

2123953 is a deficient number, since it is larger than the sum of its proper divisors (284047).

2123953 is a wasteful number, since it uses less digits than its factorization.

2123953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631.

The product of its digits is 1620, while the sum is 25.

The square root of 2123953 is about 1457.3788114282. The cubic root of 2123953 is about 128.5429613048.

The spelling of 2123953 in words is "two million, one hundred twenty-three thousand, nine hundred fifty-three".

Divisors: 1 13 19 247 8599 111787 163381 2123953