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2141154 = 23413217
BaseRepresentation
bin1000001010101111100010
311000210010000
420022233202
51022004104
6113520430
724125301
oct10125742
94023100
102141154
111232754
12873116
1359c772
143da438
152c4639
hex20abe2

2141154 has 20 divisors (see below), whose sum is σ = 4798134. Its totient is φ = 713664.

The previous prime is 2141149. The next prime is 2141159. The reversal of 2141154 is 4511412.

It is an interprime number because it is at equal distance from previous prime (2141149) and next prime (2141159).

It can be written as a sum of positive squares in only one way, i.e., 1896129 + 245025 = 1377^2 + 495^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2141159) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6447 + ... + 6770.

22141154 is an apocalyptic number.

2141154 is an abundant number, since it is smaller than the sum of its proper divisors (2656980).

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

2141154 is a wasteful number, since it uses less digits than its factorization.

2141154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231 (or 13222 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 2141154 is about 1463.2682597528. The cubic root of 2141154 is about 128.8890338330.

Adding to 2141154 its reverse (4511412), we get a palindrome (6652566).

The spelling of 2141154 in words is "two million, one hundred forty-one thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 13217 26434 39651 79302 118953 237906 356859 713718 1070577 2141154