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442950147025 = 521331092
BaseRepresentation
bin1100111001000011110…
…00101101101111010001
31120100022221211220101221
412130201320231233101
524224130214201100
6535253302525041
744000501061361
oct6344170555721
91510287756357
10442950147025
111609438a0581
1271a1b136781
1332a0196b919
14176204ba9a1
15b7c73c801a
hex6721e2dbd1

442950147025 has 9 divisors (see below), whose sum is σ = 549262308721. Its totient is φ = 354357455440.

The previous prime is 442950147019. The next prime is 442950147047. The reversal of 442950147025 is 520741059244.

The square root of 442950147025 is 665545.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2234736529 + 440715410496 = 47273^2 + 663864^2 .

It is not a de Polignac number, because 442950147025 - 217 = 442950015953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3261171 + ... + 3394279.

Almost surely, 2442950147025 is an apocalyptic number.

442950147025 is the 665545-th square number.

442950147025 is the 332773-rd centered octagonal number.

It is an amenable number.

442950147025 is a deficient number, since it is larger than the sum of its proper divisors (106312161696).

442950147025 is an frugal number, since it uses more digits than its factorization.

442950147025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266228 (or 133114 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 442950147025 in words is "four hundred forty-two billion, nine hundred fifty million, one hundred forty-seven thousand, twenty-five".

Divisors: 1 5 25 133109 665545 3327725 17718005881 88590029405 442950147025