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252670446 = 23272969149
BaseRepresentation
bin11110000111101…
…11000111101110
3122121102222200200
433003313013232
51004140423241
641023334330
76155443350
oct1703670756
9577388620
10252670446
1111a698056
12707513a6
1340469052
14257b30d0
15172b04b6
hexf0f71ee

252670446 has 48 divisors (see below), whose sum is σ = 647244000. Its totient is φ = 69701184.

The previous prime is 252670421. The next prime is 252670471. The reversal of 252670446 is 644076252.

It is an interprime number because it is at equal distance from previous prime (252670421) and next prime (252670471).

It is a self number, because there is not a number n which added to its sum of digits gives 252670446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30921 + ... + 38228.

It is an arithmetic number, because the mean of its divisors is an integer number (13484250).

Almost surely, 2252670446 is an apocalyptic number.

252670446 is an abundant number, since it is smaller than the sum of its proper divisors (394573554).

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

252670446 is a wasteful number, since it uses less digits than its factorization.

252670446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69193 (or 69190 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 252670446 is about 15895.6109036426. The cubic root of 252670446 is about 632.1956195574.

It can be divided in two parts, 252670 and 446, that added together give a triangular number (253116 = T711).

The spelling of 252670446 in words is "two hundred fifty-two million, six hundred seventy thousand, four hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 29 42 58 63 87 126 174 203 261 406 522 609 1218 1827 3654 69149 138298 207447 414894 484043 622341 968086 1244682 1452129 2005321 2904258 4010642 4356387 6015963 8712774 12031926 14037247 18047889 28074494 36095778 42111741 84223482 126335223 252670446