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2007156004 = 227295346639
BaseRepresentation
bin111011110100010…
…1100010100100100
312011212211002102021
41313220230110210
513102312443004
6531100152524
7100511354530
oct16750542444
95155732367
102007156004
1193aa95017
12480238744
1325cab1599
141507dcbc0
15bb327d54
hex77a2c524

2007156004 has 48 divisors (see below), whose sum is σ = 4231180800. Its totient is φ = 814859136.

The previous prime is 2007156001. The next prime is 2007156031. The reversal of 2007156004 is 4006517002.

It is a self number, because there is not a number n which added to its sum of digits gives 2007156004.

It is not an unprimeable number, because it can be changed into a prime (2007156001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19717 + ... + 66355.

It is an arithmetic number, because the mean of its divisors is an integer number (88149600).

Almost surely, 22007156004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2007156004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2115590400).

2007156004 is an abundant number, since it is smaller than the sum of its proper divisors (2224024796).

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

2007156004 is a wasteful number, since it uses less digits than its factorization.

2007156004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46732 (or 46730 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2007156004 is about 44801.2946687928. The cubic root of 2007156004 is about 1261.4219279462.

The spelling of 2007156004 in words is "two billion, seven million, one hundred fifty-six thousand, four".

Divisors: 1 2 4 7 14 28 29 53 58 106 116 203 212 371 406 742 812 1484 1537 3074 6148 10759 21518 43036 46639 93278 186556 326473 652946 1305892 1352531 2471867 2705062 4943734 5410124 9467717 9887468 17303069 18935434 34606138 37870868 69212276 71684143 143368286 286736572 501789001 1003578002 2007156004