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4721252 = 221180313
BaseRepresentation
bin10010000000101001100100
322212212100012
4102000221210
52202040002
6245105352
755062404
oct22005144
98785305
104721252
112735168
1216b8258
13c93c53
148ac804
15633d52
hex480a64

4721252 has 6 divisors (see below), whose sum is σ = 8262198. Its totient is φ = 2360624.

The previous prime is 4721243. The next prime is 4721261. The reversal of 4721252 is 2521274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4721243) and next prime (4721261).

It can be written as a sum of positive squares in only one way, i.e., 3936256 + 784996 = 1984^2 + 886^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590153 + ... + 590160.

It is an arithmetic number, because the mean of its divisors is an integer number (1377033).

Almost surely, 24721252 is an apocalyptic number.

It is an amenable number.

4721252 is a deficient number, since it is larger than the sum of its proper divisors (3540946).

4721252 is a wasteful number, since it uses less digits than its factorization.

4721252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180317 (or 1180315 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 4721252 is about 2172.8442189904. The cubic root of 4721252 is about 167.7589608332.

The spelling of 4721252 in words is "four million, seven hundred twenty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 1180313 2360626 4721252