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121652 = 22171789
BaseRepresentation
bin11101101100110100
320011212122
4131230310
512343102
62335112
71014446
oct355464
9204778
10121652
1183443
125a498
13434ab
1432496
15260a2
hex1db34

121652 has 12 divisors (see below), whose sum is σ = 225540. Its totient is φ = 57216.

The previous prime is 121637. The next prime is 121661. The reversal of 121652 is 256121.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 15376 = 326^2 + 124^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 121652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (18795).

2121652 is an apocalyptic number.

It is an amenable number.

121652 is a deficient number, since it is larger than the sum of its proper divisors (103888).

121652 is a wasteful number, since it uses less digits than its factorization.

121652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 121652 is about 348.7864676274. The cubic root of 121652 is about 49.5495541570.

Adding to 121652 its reverse (256121), we get a palindrome (377773).

It can be divided in two parts, 12165 and 2, that added together give a cube (12167 = 233).

The spelling of 121652 in words is "one hundred twenty-one thousand, six hundred fifty-two".