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1007420 = 225172963
BaseRepresentation
bin11110101111100111100
31220011220212
43311330330
5224214140
633331552
711364041
oct3657474
91804825
101007420
11628987
12406bb8
1329370b
141c31c8
1514d765
hexf5f3c

1007420 has 24 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 379136.

The previous prime is 1007417. The next prime is 1007429. The reversal of 1007420 is 247001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1007395 and 1007404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 1821.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

21007420 is an apocalyptic number.

1007420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1007420 is an abundant number, since it is smaller than the sum of its proper divisors (1233364).

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

1007420 is a wasteful number, since it uses less digits than its factorization.

1007420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1007420 is about 1003.7031433646. The cubic root of 1007420 is about 100.2467241049.

The spelling of 1007420 in words is "one million, seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2963 5926 11852 14815 29630 50371 59260 100742 201484 251855 503710 1007420