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378134028 = 223316572113
BaseRepresentation
bin10110100010011…
…101111000001100
3222100112012101000
4112202131320030
51233300242103
6101304420300
712241041366
oct2642357014
9870465330
10378134028
111844a0768
12a6777690
1360456a5c
1438311d36
15232e4aa3
hex1689de0c

378134028 has 48 divisors (see below), whose sum is σ = 981403360. Its totient is φ = 125908992.

The previous prime is 378134027. The next prime is 378134093. The reversal of 378134028 is 820431873.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 378133983 and 378134001.

It is not an unprimeable number, because it can be changed into a prime (378134023) 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, 177900 + ... + 180012.

Almost surely, 2378134028 is an apocalyptic number.

It is an amenable number.

378134028 is an abundant number, since it is smaller than the sum of its proper divisors (603269332).

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

378134028 is a wasteful number, since it uses less digits than its factorization.

378134028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783 (or 3775 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 378134028 is about 19445.6686179725. The cubic root of 378134028 is about 723.1281259130.

The spelling of 378134028 in words is "three hundred seventy-eight million, one hundred thirty-four thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1657 2113 3314 4226 4971 6339 6628 8452 9942 12678 14913 19017 19884 25356 29826 38034 44739 57051 59652 76068 89478 114102 178956 228204 3501241 7002482 10503723 14004964 21007446 31511169 42014892 63022338 94533507 126044676 189067014 378134028