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378285501 = 311101113497
BaseRepresentation
bin10110100011000…
…010110110111101
3222100210220011010
4112203002312331
51233320114001
6101311545433
712242242116
oct2643026675
9870726133
10378285501
11184594550
12a682b279
13604aa999
143835120d
15233248d6
hex168c2dbd

378285501 has 16 divisors (see below), whose sum is σ = 555686208. Its totient is φ = 226992000.

The previous prime is 378285499. The next prime is 378285503. The reversal of 378285501 is 105582873.

It is an interprime number because it is at equal distance from previous prime (378285499) and next prime (378285503).

It is not a de Polignac number, because 378285501 - 21 = 378285499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378285501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378285503) 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, 53416 + ... + 60081.

It is an arithmetic number, because the mean of its divisors is an integer number (34730388).

Almost surely, 2378285501 is an apocalyptic number.

It is an amenable number.

378285501 is a deficient number, since it is larger than the sum of its proper divisors (177400707).

378285501 is a wasteful number, since it uses less digits than its factorization.

378285501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113612.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 378285501 is about 19449.5630028029. The cubic root of 378285501 is about 723.2246699564.

The spelling of 378285501 in words is "three hundred seventy-eight million, two hundred eighty-five thousand, five hundred one".

Divisors: 1 3 11 33 101 303 1111 3333 113497 340491 1248467 3745401 11463197 34389591 126095167 378285501