Search a number
-
+
1425380 = 2251121931
BaseRepresentation
bin101011011111111100100
32200102020212
411123333210
5331103010
650314552
715054425
oct5337744
92612225
101425380
11893a00
12588a58
133aba28
1429164c
151d2505
hex15bfe4

1425380 has 72 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 475200.

The previous prime is 1425371. The next prime is 1425427. The reversal of 1425380 is 835241.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 45965 + ... + 45995.

21425380 is an apocalyptic number.

1425380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787520).

1425380 is an abundant number, since it is smaller than the sum of its proper divisors (2149660).

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

1425380 is a wasteful number, since it uses less digits than its factorization.

1425380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1425380 is about 1193.8927925069. The cubic root of 1425380 is about 112.5408575876.

The spelling of 1425380 in words is "one million, four hundred twenty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 19 20 22 31 38 44 55 62 76 95 110 121 124 155 190 209 220 242 310 341 380 418 484 589 605 620 682 836 1045 1178 1210 1364 1705 2090 2299 2356 2420 2945 3410 3751 4180 4598 5890 6479 6820 7502 9196 11495 11780 12958 15004 18755 22990 25916 32395 37510 45980 64790 71269 75020 129580 142538 285076 356345 712690 1425380