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2123132 = 221173661
BaseRepresentation
bin1000000110010101111100
310222212101112
420012111330
51020420012
6113301152
724021614
oct10062574
93885345
102123132
111220160
128647b8
135944bb
143d3a44
152be122
hex20657c

2123132 has 24 divisors (see below), whose sum is σ = 4114992. Its totient is φ = 950400.

The previous prime is 2123129. The next prime is 2123137. The reversal of 2123132 is 2313212.

Adding to 2123132 its reverse (2313212), we get a palindrome (4436344).

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123137) 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, 2882 + ... + 3542.

It is an arithmetic number, because the mean of its divisors is an integer number (171458).

22123132 is an apocalyptic number.

2123132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2123132 is a deficient number, since it is larger than the sum of its proper divisors (1991860).

2123132 is a wasteful number, since it uses less digits than its factorization.

2123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 747 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 2123132 is about 1457.0971141279. The cubic root of 2123132 is about 128.5263966928.

The spelling of 2123132 in words is "two million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 73 146 292 661 803 1322 1606 2644 3212 7271 14542 29084 48253 96506 193012 530783 1061566 2123132