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378046740 = 22358375913
BaseRepresentation
bin10110100010001…
…000100100010100
3222100100202122010
4112202020210110
51233234443430
6101302504220
712240226041
oct2642104424
9870322563
10378046740
11184441125
12a6735070
13604260c6
14382cc1c8
15232c8cb0
hex16888914

378046740 has 48 divisors (see below), whose sum is σ = 1071298368. Its totient is φ = 99596544.

The previous prime is 378046727. The next prime is 378046741. The reversal of 378046740 is 47640873.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378046741) 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, 32977 + ... + 42936.

It is an arithmetic number, because the mean of its divisors is an integer number (22318716).

Almost surely, 2378046740 is an apocalyptic number.

378046740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378046740 is an abundant number, since it is smaller than the sum of its proper divisors (693251628).

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

378046740 is a wasteful number, since it uses less digits than its factorization.

378046740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76008 (or 76006 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 378046740 is about 19443.4240811643. The cubic root of 378046740 is about 723.0724796247.

It can be divided in two parts, 37804 and 6740, that added together give a palindrome (44544).

The spelling of 378046740 in words is "three hundred seventy-eight million, forty-six thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 75913 151826 227739 303652 379565 455478 759130 910956 1138695 1518260 2277390 4554780 6300779 12601558 18902337 25203116 31503895 37804674 63007790 75609348 94511685 126015580 189023370 378046740